FERA-213 — A mother wearing flashy lingerie is a sign of sexual frustration and an invitation for her son to have unprotected sex with her. - Momose Jogasaki

Momose is feeling lonely because her sex life has been neglected for a while. Desperate to win back her husband's attention, she orders sexy lingerie. A few days later, her son, Ryota, peeks at her trying on the lingerie that has arrived. Ryota, who had never thought much of his mother's body before, sees her looking absolutely stunning in the flashy underwear and can't control himself, so he attacks her.