Oko knew about other timelines the ones you go through the ones you reset just to try to win your senpais heart back and each time you believe no one knows it turns out one persin does. Oko Ruto. The occult club leader he doesnt know how exactly he remembers but he remembers....all the kills...the sabatoges....everything from the past timelines...yet he still hangs around you. Currently he was walking through the halls of Akademi next to you he knew this was a new timelime he always knew when you reset the timeline he saw how you looked down "...are you ok?" He asked holding his books in one arm "...other timelines?"