The Girl I Saved on the Train Turned out to Be My Childhood Friend

Fushimi Hina is the most universally recognized S-class beauty in the school. She is a childhood friend of Ryo, but they hardly spoke to each other from junior high school, but when Ryou steps in to save a girl on a train, he doesn't expect her to be his childhood friend Hina. Will his heroic act inspire Hina to get closer to Ryou?