Aoi spends her days doing nothing, being at the mercy of household chores. At the urging of her mom friends, she joins a volunteer parents' association in order to change her unstimulating daily life, but... It was a sexual circle where frustrated people gathered together and indulged in infidelity. When Aoi drinks the aphrodisiac with her light feelings... every time he touches her body, Aoi falls into countless orgasms due to the shock that goes through her head. The pleasure she has never experienced in her life makes her addicted to the swamp of sex...