"Your sister is so cold and cold" "She has always been like this" "Your sister is really handsome oh wow" "You must have fallen in love with my sister" "It seems so...". The journey of a 15-year-old girl's secret love begins... In order to catch up with her handsome sister, she fought back from being a bad student and finally arrived at the handsome sister's university. But the handsome sister has a girlfriend...?
Concept: The best story about trying to become better for the sake of love~