After receiving a supposed love potion from his childhood friend Hibiki to help him win over the beautiful Elena, Kazuki discovers the concoction is actually a potent aphrodisiac. This leads to an unexpected intimate encounter with Elena, sparking a wave of jealousy in Hibiki. Determined to reclaim Kazuki, Hibiki uses the potion herself, plunging Kazuki into a chaotic battle for affection as both girls compete for his attention.