Ore to Saeko-san to Netorare Mail

Ore to Saeko-san to Netorare Mail, by Black Lilith, is an adult visual novel exploring forbidden relationships. Teacher Saeko and her nephew Kyouichi share a secret love. When a voyeuristic teacher discovers their affair, he threatens to expose Kyouichi and get him expelled. Saeko is blackmailed into sexual submission. As a widow inexperienced in intimate matters, she soon discovers new pleasures beyond Kyouichi, succumbing to lust. Even Shiho, Saeko's daughter and Kyouichi's cousin—whom he adores like a sister—is not spared. Forced acts, from vibrator lessons and semen consumption to molestation, forced prostitution, and even public degradation and pregnancy exploitation, drag both women deeper into depravity. Kyouichi begins to notice their transformation. Can they ever return to normal life?