Seduced by your girlfriend's mother (NTR)

Based on the doujinshi called "Ore ga Kanojo no Nagachichi Ikezu Mama ni Seiheki Hakai wo Sarerumade," in which a boy named Kaoru is dating a high-class girl named Choko Shikata, but their relationship is interfered with by her mother, Hakano Shikata, who considers Kaoru unworthy because he is weak for meat. Therefore, to prevent him from getting closer to her daughter, she has decided to suppress Kaoru's desires while she finds a way to separate them.