Sho Fujigaya, a university student, has moved on from his past relationship with his girlfriend. Through a matchmaking app suggested by a friend, he connects with someone intriguing, boasting a sky-high compatibility of 98%. This sparks the chance for a fresh romance. However, when the appointed date arrives, Sho is stunned to find his ex-girlfriend, Hikaru Takamiya, at the rendezvous point. Old arguments resurface, but beneath the heated exchange, feelings of remorse and unspoken desires resurface within both of them.