The popular shojo manga series adapted into an anime is Blue Spring Ride! Futaba Yoshioka believed that all boys were noisy and annoying until she met Kou Tanaka in her first year of middle school. However, just when she realized she really liked him, he had already moved away due to family issues. Now, in high school, Kou has reappeared, but is he the same boy she loved? Futaba Yoshioka reunites with her first love in high school, but he seems different from the boy she knew. The distance between them seems to have grown since Kou started interacting with Yui. Then something unexpected happens between Futaba and Kou at the school festival.