In the lively corridors of the academy, Seiryuu-kun suddenly draws intense interest from those around him, sparking a spirited contest among classmates. An upperclassman and her friend dive into the mix with playful determination, transforming ordinary school days into a series of lighthearted chases and humorous encounters. Beneath the surface fun, hints of a deeper scheme emerge, adding intrigue to the budding rivalries. This opening episode launches a whirlwind school adventure filled with comedy and unexpected twists.