START-026 — Her Best Friend Confessed His Love To Her And An Impure Physical Relationship Began. The Double Affair Flared Up And The First Creampie Sex Felt So Good That They Ended Up Living Together In A Betrayal Relationship For Several Days. Ruu Totsuka

Ken, Mai, Ruu, and Jun are a friendly couple. One day while Mai is away, Ken and Ruu are drinking together, when a drunk Ruu suddenly confesses to Ken that she actually likes him. Ken is confused, but is pushed by Ruu's enthusiasm and they end up having a physical relationship. Ken and Ruu then begin living together for a few days while Mai is away.