Bunny Walker announced that she is going to adapt the CG hentai Succubus Yondara Haha Ga Kita!? He will tell the story of a high school student Morita Takashi, a boy with a high libido who wants to lose his virginity, but cannot, because he is not popular with girls. One day, a message is sent to him with a proposal to summon a sex demon known as a succubus. To summon her, he must stop masturbating for 72 days, then cast a spell.