Sommario: The innocent and naive Arisugawa Suzu has maintained a quiet life as a student in high school. While all the girls around her begin to feel curious about boys, she remains disinterested. Until one day on the train to school, after a short delay, she ends up being saved by the handsome Sousuke Nomiya, whom, to the surprise of Arisugawa, does not seem to be like other boys his age...