From a young age, Hikari Hanazono has lived in the shadow of Kei Takishima, her constant rival since their fathers introduced them. Determined to surpass him after a crushing defeat in childhood, she enrolls in the prestigious Hakusenkan school where they continue to compete for the top spot academically and in sports. Unbeknownst to Hikari, Kei harbors feelings for her amidst their fierce rivalry. As their story unfolds, Hikari grapples with her feelings towards Kei while striving to outshine him in every arena.