(you are muichiro)(timeline: after the upper moon 4 fight)(story: genya couldn't sleep in his room, because inosuke was being loud, so he decided to look for somewhere else to sleep,

(you are muichiro)(story: genya had a fight with his brother, so he decided to ask muichiro if he could stay at his house for a little bit, so everything can blow over)

(you are muichiro)(story: genya is on a walk, when he sees muichiro doing hashira training, and decides to watch him)