| 2026-06-06 | I finally finished my exams, but I ended up having to look after my little sister all day!! | 0:00 | 126,758 | |
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| 2026-06-04 | [Expensive!!] Introducing items I bought in Korea with my friend U-chan! | 0:00 | 85,486 | |
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| 2026-06-02 | Who can emerge from the water in the coolest way?! Who do you think is the coolest? @osakinikki | 0:00 | 240,596 | |
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| 2026-05-30 | A whirlwind 2-day/1-night trip to Korea! Going empty-handed!! [VLOG] | 0:00 | 102,467 | |
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| 2026-05-28 | My first time at a drive-thru and I got a major case of the "ick"! | 0:00 | 104,858 | |
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| 2026-05-26 | 福岡と大阪に行ってきたのでmini爆食vlog作ったよ🍙🍙3キロ増えてた！ | 0:00 | 34,526 | |
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| 2026-05-23 | A Day in My Life at the Student Runway: Had So Much Fun Catching Up with Friends! | 0:00 | 70,497 | |
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| 2026-05-21 | [Emergency] Disaster on our first drive date when my younger sister gets sick!! | 0:00 | 146,963 | |
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| 2026-05-19 | これ懐かしくない？みんなやったよね！ | 0:00 | 70,698 | |
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| 2026-05-16 | [5 Days of Close Coverage] A daily look at Haruto's morning routine! | 0:00 | 83,724 | |
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| 2026-05-14 | [First time driving] Just got my license and this is my first time driving as a beginner! | 0:00 | 139,910 | |
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| 2026-05-12 | I went to Nagoya for an event! Next up are Hakata on May 23rd and Osaka on May 24th, so I'll be w... | 0:00 | 318,515 | |
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| 2026-05-09 | Seriously?! I got an incredible birthday present!!! | 0:00 | 328,787 | |
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| 2026-05-07 | [Haruto🔥Osaki🔥Uchan] A serious three-round showdown leads to a fight!! | 0:00 | 83,164 | |
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| 2026-05-05 | 【帰りたくない】 監督•アフレコ うーちゃん #はるくんドラマ | 0:00 | 332,074 | |
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| 2026-05-02 | Tell me about your current love life, big brother and big sister ♡ | 0:00 | 189,808 | |
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| 2026-04-30 | I suddenly feel really unwell, it's serious. | 0:00 | 295,711 | |
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| 2026-04-28 | My sister and I played rock-paper-scissors, hitting each other and covering each other's heads ✊✌... | 0:00 | 276,637 | |
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| 2026-04-25 | 【TikTok対決】3きょうだいで誰がいいねを獲得できるか！？今夜ついに… | 0:00 | 218,877 | |
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| 2026-04-23 | [Fortnite] A serious match where the loser has to treat everyone to an Uber, and the result was u... | 0:00 | 42,577 | |
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| 2026-04-21 | A game where you try to guess each other's numbers! #guessthenumber | 0:00 | 479,152 | |
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| 2026-04-18 | [Important Announcement] The reason I was in Singapore ✨ | 0:00 | 67,464 | |
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| 2026-04-16 | A day of getting my learner's permit with Haruto! And an unexpected spontaneous date too!? | 0:00 | 203,647 | |
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| 2026-04-14 | I'm probably the only one eating this much at Kansai Collection! #KansaiCollection #KansaiGourmet... | 0:00 | 312,703 | |
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| 2026-04-11 | I met my sister's crush for the first time!! | 0:00 | 479,380 | |
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| 2026-04-09 | My little sister went on a rampage in the final episode of "Kyou Suki"...!! | 0:00 | 346,215 | |
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| 2026-04-07 | Which one is correct?! You should know since you always watch it, right? | 0:00 | 282,384 | |
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| 2026-04-04 | A game to see if Shun and I can match our poses 💓 If we're good friends, we should definitely be ... | 0:00 | 290,892 | |
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| 2026-04-02 | I'm going to surprise my little sister with a fancy birthday celebration! | 0:00 | 191,415 | |
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| 2026-03-31 | I'm going to open a bag of KyoSuki Chips and get my big brother out!! #KyoSukiChips | 0:00 | 1,244,846 | |
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| 2026-03-28 | Thank you so much for reaching 500,000 subscribers! ✨ ~Thank you~ | 0:00 | 109,488 | |
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| 2026-03-26 | Siblings can't go home until they've bought the same items from the convenience store! [Seven-Ele... | 0:00 | 277,591 | | The Convenience Store
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| 2026-03-24 | This is what U-chan was thinking the whole time while watching the final episode of Kyousuki Grad... | 0:00 | 3,034,959 | |
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| 2026-03-21 | Can I collect high-rated stickers in one day? A serious competition with my sister!! | 0:00 | 343,853 | |
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| 2026-03-19 | A thrilling and forbidden Q&A session with U-chan!! | 0:00 | 191,812 | |
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| 2026-03-17 | A quiz right after waking up! A quiz-loving guy! Will his brain work?! #quiz | 0:00 | 473,940 | |
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| 2026-03-14 | Oh no! I'm late!! I was pranked for oversleeping and I was in a panic and laughing hysterically lol | 0:00 | 138,981 | |
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| 2026-03-12 | [Fortnite] You can now play it on your smartphone!? A miraculous moment! | 0:00 | 65,546 | |
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| 2026-03-10 | WBC⚾️Stadium food!! #WBC #TokyoDome #GoSamuraiJapan #Homerun | 0:00 | 636,598 | |
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| 2026-03-07 | [Buying spree] Only those who are loved by Ronpaku can buy tens of thousands of yen at the Gotemb... | 0:00 | 164,404 | |
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| 2026-03-05 | I will continue to participate in "I fell in love today." [✈️Packing] | 0:00 | 328,336 | |
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| 2026-03-03 | My sister is sulking because it wasn't her channel, that's crazy lol @osakinikki | 0:00 | 1,657,856 | |
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| 2026-02-28 | I'm participating in "Kyou, Suki ni Narimashita." I definitely want to memorize the theme song pu... | 0:00 | 338,229 | |
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| 2026-02-26 | 【緊急】三者面談でママブチ切れ！ご機嫌取りにいきます！！ | 0:00 | 401,506 | |
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| 2026-02-24 | You can definitely tell what your little sister is thinking, right? Bingo showdown!! #Bingo @osak... | 0:00 | 780,291 | |
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| 2026-02-21 | Which color do you like? #PR #esr #iPhone17case | 0:00 | 158,615 | |
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| 2026-02-19 | How much can my stingy sister buy me?! [Secret Project] | 0:00 | 264,966 | |
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| 2026-02-17 | I fell in love today. I've decided to continue participating in Graduation Edition 2026!! This is... | 0:00 | 905,004 | |
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| 2026-02-14 | I wanted chocolate so badly that I asked AI to create my ideal Valentine's Day gift lol. Which on... | 0:00 | 168,409 | |
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| 2026-02-12 | Recommended eSIM for overseas travel! | 0:00 | 72,341 | |
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| 2026-02-12 | I'd like to speak out about Osaki not coming home recently!! [Suspicion] | 0:00 | 142,460 | |
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| 2026-02-10 | I tried exchanging high-value stickers with my sister!! #StickerExchange #Haru-kun'sRoom | 0:00 | 2,425,398 | |
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| 2026-02-07 | I was tired from studying so I decided to make some men's food and ask my sister about her favori... | 0:00 | 168,151 | |
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| 2026-02-05 | The nighttime routine of a high school student during a test who is on the brink of failing and w... | 0:00 | 114,094 | |
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| 2026-02-03 | If you can do this, you'll have great motor skills! Everyone, give it a try 👍 #CanYouDoThis? @osa... | 0:00 | 149,841 | |
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| 2026-01-31 | [Village Vanguard] Introducing the items I bought with my sister! Unwanted items are sold and it'... | 0:00 | 173,586 | |
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| 2026-01-29 | [Fortnite] Weapon-only with Rui! It won't end until I get Victory Royale! | 0:00 | 71,985 | |
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| 2026-01-27 | はるとの幼少期がヤバすぎた…www #はるくんの部屋 #ai | 0:00 | 195,513 | |
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| 2026-01-24 | Who will come out on top in this year's first TikTok showdown?! A fierce, all-out battle! | 0:00 | 285,830 | |
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| 2026-01-22 | My sister and I went to a sleepover event! I got scolded for being insensitive (crying) [Teenagers] | 0:00 | 78,540 | |
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| 2026-01-20 | Can you do this?! People who can do it are incredibly skilled!! @osakinikki | 0:00 | 104,882 | |
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| 2026-01-17 | The reason for my dramatic transformation this time [Korea] [Night routine] | 0:00 | 41,476 | |
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| 2026-01-15 | [VLOG] A dangerous trip to Korea with no plan | 0:00 | 145,916 | |
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| 2026-01-13 | Who is the meanest sibling? @osakinikki | 0:00 | 6,486,080 | |
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| 2026-01-10 | [New Year's Gift] Sibling Showdown with a Great Chance to Win Up to 1 Million Yen!! | 0:00 | 112,964 | |
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| 2026-01-08 | Emergency packing! My sister and I rushed to get ready for a sudden overseas trip! | 0:00 | 90,603 | |
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| 2026-01-06 | An incident occurred after the dog oyster race!! #winterpool #GoldenFrieza @osakinikki | 0:00 | 208,676 | |
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| 2026-01-03 | Umm, I want to sleep... #wipesweat | 0:00 | 85,808 | |
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| 2026-01-01 | Happy New Year 🎍 Please continue to support Haru-kun's Room this year! This year, we will do our ... | 0:00 | 103,618 | |
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| 2025-12-30 | 今年も一年はるくんの部屋ありがとうございました！来年もよろしくお願いします！ | 0:00 | 91,377 | |
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| 2025-12-27 | I was a good boy and Santa came this year! | 0:00 | 115,347 | |
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| 2025-12-26 | I broke my brother's smartphone... #PR #esr #iphone17glassfilm | 0:00 | 713,247 | |
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| 2025-12-25 | If I secretly dye my hair blonde again, I'll get in trouble this time!!! | 0:00 | 131,529 | |
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| 2025-12-23 | クリスマスツリーが見てる…？？@さくらチャンネル @おさき日記 | 0:00 | 99,222 | |
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| 2025-12-20 | [Emergency] What will you buy for Haruto if he suddenly becomes ill? | 0:00 | 166,768 | |
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| 2025-12-18 | A fight breaks out while my sister and I are home alone, causing a huge commotion! | 0:00 | 130,727 | |
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| 2025-12-16 | なんかこれずっとやっちゃう☝️ #はるくんの部屋 | 0:00 | 153,585 | |
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| 2025-12-13 | I couldn't go to the school trip, sports festival, or cultural festival. | 0:00 | 108,191 | |
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| 2025-12-11 | It was my first time riding a motorcycle with someone and it was so scary!! | 0:00 | 97,120 | |
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| 2025-12-09 | Liar Challenge!! Can you spot the liar?! #shorts | 0:00 | 691,418 | |
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| 2025-12-06 | [Issei Tomoko] We can't go home until we match the Disney souvenirs, but it was too tough!! | 0:00 | 153,663 | |
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| 2025-12-04 | [God Luck] My sister and I had so much fun playing with 10,000 yen gachapon machines!! | 0:00 | 110,701 | |
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| 2025-12-02 | It's surprisingly difficult lol #Tuntuntunsahur | 0:00 | 37,780 | |
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| 2025-11-29 | I want Sakutin to say "cute" on our drive date!! | 0:00 | 145,022 | |
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| 2025-11-27 | This is the best thing I have bought in my 17 years of life [Permanent Edition] | 0:00 | 73,050 | |
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| 2025-11-25 | いや、そっち？@osakinikki #部屋汚い | 0:00 | 675,698 | |
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| 2025-11-22 | The three siblings are staying the night in Osaki's room! An incident occurs, causing a huge panic! | 0:00 | 161,475 | |
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| 2025-11-20 | [Surprise] A shocking secret revealed during a check of U-chan's school bag!! | 0:00 | 174,849 | |
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| 2025-11-18 | Anyone able to do this? Apparently babies can't do it... #shorts @osakinikki | 0:00 | 164,708 | |
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| 2025-11-15 | When my siblings and I had to make the ultimate love choice, I discovered a surprising side of th... | 0:00 | 456,017 | |
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| 2025-11-15 | Here's my pocket money this month 💁♀️ #shorts @osakinikki | 0:00 | 1,205,965 | |
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| 2025-11-13 | I made a shocking statement at my first TGC and shocked everyone... [TGC Kitakyushu] | 0:00 | 87,560 | |
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| 2025-11-11 | Let's see how many lines we can erase! 🕯️!! #shorts #competition #littlesister | 0:00 | 87,423 | |
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| 2025-11-08 | [Prank] Haruto suddenly vomits blood and everyone starts crying and panicking! [Viewer discretion... | 0:00 | 288,255 | |
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| 2025-11-06 | [Happening] My first trip to Disney with friends was crazy lol | 0:00 | 113,555 | |
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| 2025-11-04 | What number is it? I'll press 🩷 on the comment of the person who guesses! #WhatNumberIsIt #YokaiW... | 0:00 | 144,335 | |
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| 2025-11-01 | Did you know it's Muscat Nami? #BonbonSeries #ItriedIt #shorts | 0:00 | 227,690 | |
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| 2025-11-01 | 【最新】流行りのTikTok踊れるのか！？ | 0:00 | 343,949 | |
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| 2025-10-30 | [Surprise] It was really weird when we followed him on his first full day off in a while. | 0:00 | 87,743 | |
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| 2025-10-28 | 今年のハロウィンはラブブがオススメだよ🎃 #何やろうとした？ #ハロウィン #ラブブ | 0:00 | 605,447 | |
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