Oni Chichi 1 Episodio 2

Based on the erotic game "Oni Chichi ~Manamusume Kyousei Hatsujou~" by Blue Gale, this episode follows the lives of Marina and Airi, whose mother divorced a few years ago and recently remarried a much younger man. While Marina has grown to accept her new stepfather, Airi can't stand him. Unbeknownst to them, their new stepdad is a creep who secretly sniffs their underwear and is concocting a love drug designed to transform Marina and Airi into insatiable sex addicts. The tension escalates when Airi returns home one day to find her schoolmate Sana in the midst of giving her stepfather a blowjob. Seizing the moment, he sprays Airi with his devious drug. Now, with the sisters under his control, he's free to fulfill his twisted desires with them.