ZEAA-79 — When I Gave My Stepmother A Horse Breeding Stimulant, She Got So Excited That I Had To Slave To Her Every Day Mio Nishizonji

The son finds a suspicious "horse breeding stimulant" online and mixes it into tea to try on his new stepmother, Mio. The stepmother then begins to sweat, twist her hips, and breathe heavily in excitement. The son chuckles. When he offers her his cock, her eyes water and she lewdly takes it in with a seductive look on her face. Unable to suppress the throbbing in her pussy, the stepmother engages in forbidden breeding sex with her son. The son then calls over his friend, and the two of them turn the stepmother into a slave.