| 2022-03-20 | Root Letter ✉️ Part 54 ✉️ END ✉️ A Happy Reunion | 38:33 | 9 | | Root Letter
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| 2022-03-15 | Root Letter ✉️ Part 53 ✉️ Fire at Fumino's House | 37:28 | 3 | | Root Letter
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| 2022-03-12 | Root Letter ✉️ Part 52 ✉️ Four Eyes's Punishments | 31:45 | 2 | | Root Letter
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| 2022-03-09 | Root Letter ✉️ Part 51 ✉️ The Truth to Arguments | 37:24 | 4 | | Root Letter
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| 2022-03-06 | Root Letter ✉️ Part 50 ✉️ Blue Sky Stationary | 46:43 | 2 | | Root Letter
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| 2022-03-02 | Root Letter ✉️ Part 49 ✉️ The Last of the Curse | 40:17 | 4 | | Root Letter
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| 2022-02-27 | Root Letter ✉️ Part 48 ✉️ The Curse Strikes | 35:19 | 2 | | Root Letter
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| 2022-02-24 | Root Letter ✉️ Part 47 ✉️ The Spirit of a Letter | 31:12 | 3 | | Root Letter
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| 2022-02-21 | Root Letter ✉️ Part 46 ✉️ Finding the Mysteries of Town | 34:34 | 4 | | Root Letter
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| 2022-02-19 | Root Letter ✉️ Part 45 ✉️ Crow Stationary | 34:51 | 2 | | Root Letter
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| 2022-02-16 | Root Letter ✉️ Part 44 ✉️ Memory of Lighthouse Accident | 41:40 | 2 | | Root Letter
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| 2022-02-13 | Root Letter ✉️ Part 43 ✉️ A Sold Yearbook | 32:51 | 3 | | Root Letter
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| 2022-02-10 | Root Letter ✉️ Part 42 ✉️ UFO Stationary | 38:14 | 3 | | Root Letter
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| 2022-02-07 | Root Letter ✉️ Part 41 ✉️ A Mystery That Goes On | 39:20 | 2 | | Root Letter
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| 2022-02-04 | Root Letter ✉️ Part 40 ✉️ Shiroi's Fumino Connection | 38:57 | 7 | | Root Letter
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| 2022-02-01 | Root Letter ✉️ Part 39 ✉️ Mirror Stationary | 33:49 | 2 | | Root Letter
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| 2022-01-28 | Root Letter ✉️ Part 38 ✉️ The Missed Opportunity | 41:24 | 1 | | Root Letter
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| 2022-01-25 | Root Letter ✉️ Part 37 ✉️ Four Eyes Runs Away | 34:12 | 2 | | Root Letter
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| 2022-01-21 | Root Letter ✉️ Part 36 ✉️ Revisiting the Truth | 32:07 | 1 | | Root Letter
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| 2022-01-18 | Root Letter ✉️ Part 35 ✉️ The Missing Magazine | 32:14 | 1 | | Root Letter
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| 2022-01-15 | Root Letter ✉️ Part 34 ✉️ Rain Stationary | 36:08 | 1 | | Root Letter
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| 2022-01-11 | Root Letter ✉️ Part 33 ✉️ Helping on Moving | 41:06 | 1 | Let's Play | Root Letter
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| 2022-01-07 | Root Letter ✉️ Part 32 ✉️ Searching for Bestie | 29:08 | 2 | | Root Letter
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| 2022-01-03 | Root Letter ✉️ Part 31 ✉️ The Shrine Outta Town | 35:41 | 2 | | Root Letter
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| 2021-12-30 | Root Letter ✉️ Part 30 ✉️ Looking for Clues of Story | 31:24 | 1 | | Root Letter
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| 2021-12-27 | Root Letter ✉️ Part 29 ✉️ Shorty Admitting Identity | 41:50 | 7 | | Root Letter
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| 2021-12-24 | Root Letter ✉️ Part 28 ✉️ The Return of Shady Man | 33:32 | 2 | | Root Letter
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| 2021-12-21 | Root Letter ✉️ Part 27 ✉️ Escaping the Shady Dude | 32:46 | 2 | | Root Letter
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| 2021-12-18 | Root Letter ✉️ Part 26 ✉️ The Recommended Vinyl | 32:58 | 1 | | Root Letter
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| 2021-12-15 | Root Letter ✉️ Part 25 ✉️ Meeting at Weather Forecast | 34:57 | 2 | | Root Letter
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| 2021-12-12 | Root Letter ✉️ Part 24 ✉️ The Classmates on Snappy | 31:11 | 3 | | Root Letter
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| 2021-12-09 | Root Letter ✉️ Part 23 ✉️ Following Clues of a Bite | 31:06 | 2 | | Root Letter
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| 2021-12-05 | Root Letter ✉️ Part 22 ✉️ A Folktale Book | 32:31 | 2 | | Root Letter
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| 2021-12-01 | Root Letter ✉️ Part 21 ✉️ The Truth from Gal | 31:13 | 1 | | Root Letter
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| 2021-11-27 | Root Letter ✉️ Part 20 ✉️ Pretending for Conversation | 33:50 | 1 | | Root Letter
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| 2021-11-24 | Root Letter ✉️ Part 19 ✉️ The UFO Research Room | 31:26 | 6 | | Root Letter
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| 2021-11-20 | Root Letter ✉️ Part 18 ✉️ Looking for Fatty | 29:51 | 2 | | Root Letter
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| 2021-11-17 | Root Letter ✉️ Part 17 ✉️ The Night Stroll | 40:35 | 2 | | Root Letter
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| 2021-11-14 | Root Letter ✉️ Part 16 ✉️ Finding Fatty's Past Clues | 33:40 | 5 | | Root Letter
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| 2021-11-10 | Root Letter ✉️ Part 15 ✉️ The Gym Advertiser | 31:20 | 4 | | Root Letter
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| 2021-11-06 | Root Letter ✉️ Part 14 ✉️ Expert at the Park | 34:15 | 4 | | Root Letter
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| 2021-11-02 | Root Letter ✉️ Part 13 ✉️ Investigation on Monkey | 38:25 | 7 | | Root Letter
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| 2021-10-29 | Root Letter ✉️ Part 12 ✉️ Meeting with Baseball Team | 30:37 | 4 | | Root Letter
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| 2021-10-25 | Root Letter ✉️ Part 11 ✉️ The Tourist Boat | 32:49 | 2 | | Root Letter
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| 2021-10-21 | Root Letter ✉️ Part 10 ✉️ The Baseball Monkey | 30:43 | 5 | | Root Letter
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| 2021-10-17 | Root Letter ✉️ Part 9 ✉️ Four Eyes' Information | 37:00 | 11 | | Root Letter
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| 2021-10-13 | Root Letter ✉️ Part 8 ✉️ Four Eye's Interrogation | 36:30 | 10 | | Root Letter
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| 2021-10-09 | Root Letter ✉️ Part 7 ✉️ Looking for Four Eyes | 33:42 | 36 | | Root Letter
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| 2021-10-05 | Root Letter ✉️ Part 6 ✉️ Fortune to Move Forward | 31:15 | 2 | | Root Letter
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| 2021-10-01 | Root Letter ✉️ Part 5 ✉️ Love Fortune Pond | 32:33 | 7 | | Root Letter
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| 2021-09-27 | Root Letter ✉️ Part 4 ✉️ Mistaken at School | 30:35 | 3 | | Root Letter
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| 2021-09-23 | Root Letter ✉️ Part 3 ✉️ Someone for Some Clues | 32:25 | 4 | | Root Letter
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| 2021-09-19 | Root Letter ✉️ Part 2 ✉️ Eating at Kamiari-an | 37:17 | 6 | | Root Letter
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| 2021-09-15 | Root Letter ✉️ Part 1 ✉️ Letter of Mystery | 34:30 | 8 | | Root Letter
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