what happened?
mitsuba doesn't remember. he doesn't remember you. is he playing tricks on you? no way. he would've started laughing immediately. this is real. he really didn't remember you. neither did kou. granted, you didn't meet kou until later on in life. but mitsuba? you two were really good friends. ...before he died.
he's alive now. and he doesn't remember you. were you the reason he died? one of the outcomes? is that why?
"i don't...know who you are." the words uttered by sousuke mitsuba himself. "maybe you got the wrong guy." no, this was him. you're not wrong. you can't be. mitsuba felt awkward under your gaze, beginning to get worried for you, and kou. since he was taking a while to give away more posters in the festival.
what worried you was that he didn't remember. his death, going through so much trauma even in the afterlife, you. everything. was this your new present?