Like a Dragon: Infinite Wealth - 78 - Life Links: Episode 8
The final Life Link is initiated by a phone call from Date, this time you don't meet him at Harbor Light but are sent to Serena the moment you accept (Amusingly enough, I was already in the area anyway).
This time is the big one, both Haruka and Haruto are present and chatting with Akiyama, but Kiryu cannot take the final step and leaves after hearing how his daughter is doing...
Which ends up being for the best as the Daidoji are well-aware of what happened and are no longer willing to tolerate Kiryu's transgressions with Date being punished for it, a punishment that would've been much harsher had Kiryu opened that door earlier...
While he bears his responsibility, Kiryu still doesn't take kindly to how Date was treated, which leads into a fight against five level 44 Daidoji Faction agents! A mini-boss weak to Electricity and four grunts weak to Water, all wielding guns. This isn't a very difficult fight as long as you're not underleveled.
You will get the Dragon's God Amulet as a drop, which is the Job EXP accessory for Kiryu's Dragon of Dojima, and after some final cutscenes closing this story, you'll get Makoto Date as a Poundmate and Kazuma Kiryu (2016) as a Dondoko guest, what a weird thing to unlock!
Kiryu will also get access to his Normal Swimsuit and Casino Attire when changing jobs.
I also went ahead and grabbed a reminiscence near Sky Finance, unlocked after Episode 7.