Houdai Kudoki, a perpetually overlooked student at Sakurachi Academy, finds himself caught in supernatural chaos when Ekoro, an apprentice cupid angel, accidentally saturates him with thirty-two times the normal potency of a love arrow during her certification trial. The mishap sends every girl in the school into an all-consuming romantic frenzy, forcing Houdai into a desperate race against the clock to identify his genuine soulmate before the sun sets—or face eternal isolation. As he navigates relentless pursuit from lovesick admirers and contends with the escalating influence of Kurona, a rival demon angel, his childhood acquaintances Shinobu and Maya emerge as unexpected allies, revealing themselves to be undercover demon hunters determined to uncover the source of the curse while reconnecting with their shared past.