Released: 2022
IMDB Rating: 6.84/10
A girl and a boy in middle school fall in love, have differing opinions on trivial matters, get hurt more than each other, and... break up on their graduation day. Similarly, the two, Mizuto Irido and Yume Aiyai, meet each other in the most unexpected way. "Isn't it weird that I'm the older brother?" "Isn't it weird that I'm the older sister?" They realize that their parents have married each other, and now their old boyfriend and girlfriend must become siblings.