Yatsufusa no Kobeya – I Started a Girl

A boy who saw her daughter with a woman, Haruyasu Hayase (Aya Hayase) woke up, and there was a woman who was supposed to be a dream there.
And, when summer moon feeling a sense of incongruity gently looks at his body, how a girl’s body!
It was because she assimilated with Sherry, a Succubus woman.
Summer moon’s fate has been supposed to collect sperm from men on behalf of her in order to recover the exhausted magical power in battle with the sisters …