The popular shojo manga series that was adapted into the anime Blue Spring Ride.

Futaba Yoshioka thought all boys were loud and unpleasant until she met Kou Tanaka in middle school. However, 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 still the same boy she fell in love with?

Futaba Yoshioka has reunited with her first love in high school, but he seems different from the boy she once knew. With the help of his friends, Kou begins to let go of his painful memories from the past. Futaba wants to get closer to Toma but ultimately ends up spending time with Kou.