Hina Fushimi, widely known as the most beautiful person at school, has been Ryou's childhood friend but they didn't communicate much from junior high school until high school. Despite their lack of communication, they eventually started talking again. Following this, Hina became more protective of Ryou but her actions were not fully understood by him.
Chikan Saresou ni Natteiru S-kyuu Bishoujo wo Tasuketara Tonari no Seki no Osananajimi datta has been published in English as The Girl I Saved on the Train Turned Out to Be My Childhood Friend by Yen Press since July 5, 2022.