Succubus Yondara Gibo ga Kita!? EP1 - Episode 1

Takashi, a teenager with a strong sexual desire. One day he decides to follow the instructions of a ritual found on the internet to summon a succubus who can satisfy his lust. He endures the urge to masturbate for 72 days in order to carry out the ceremony according to the ritual instructions. However, the succubus who appears turns out to be exactly like her stepmother Eri!

The summoned succubus named Eririn is shocked and embarrassed when she realizes that she was summoned by her son-in-law Takashi. In order not to create suspicion, she decides how to satisfy Takashi's need by allowing her stepson to lose his virginity.