Ten years earlier, Shinobu Handa and Momoko Naitou crossed paths on a playground and forged a friendship. Prior to parting, they exchanged a kiss and vowed to reunite someday. Years later, Shinobu still clings to that pledge, whereas Momoko has let it slip from memory.
Now both attend the same academy in corridors, navigating life. Their characters could not be more different: Shinobu roams as a rebellious spirit with a trail of lovers, while Momoko excels academically and serves on the disciplinary board. Shinobu leverages her seductive charm to coax Momoko back into recalling their shared bond.
A swirl of romance and desire entangles both girls. Will they ultimately reconnect? Their hearts, once intertwined, yearn to be reunited.