Mama - Twisted Love & Lust In An Immoral Mother's Fakecest Kimika Ichijo

This is the second installment featuring FA-exclusive actress "Kishimi Ka"! Emi marries into a house full of men as a second wife. She's busy caring for her father-in-law and looking after her stepson Shinichi and her biological son Yusuke. One day, she brings her ex-boyfriend, who is a fuck buddy, into the house and has sex with him, but Shinichi comes home right after and senses something. He blackmails her into a forbidden physical relationship in exchange for keeping quiet. In the bedroom where her husband is absent, the maddening sighs of the mother leak out secretly... Yusuke, who peeped, also goes on a rampage! Emi begins to feel an abnormal pleasure...