This is a fan project under the persona 5's world setting.
Ariel has created a group of original characters.
Also there are some interacted with Yakuza game Ryu Ga Gotoku.
The rights of the background music and graphic/UI designs in the video, settings that involve the original work all belongs to SEGA and the Persona 5 production.
P5P game playthrough
link to bilibili
I did put my characters into Chinese martial art universe