Mai returns home from visiting her hospitalized mother. When she reports to her father-in-law and returns to her room, her father-in-law forcefully kisses her. Mai is reluctant, but thinking about the feelings of her father-in-law who has been raising her and her mother, she gives up and entangles her tongue with his, and even runs her tongue through his anus. He forces his huge cock, which is too big for her small mouth, into her mouth, licks her shaved pussy until it's so wet, and twists and plays with her nipples, making her climax over and over again.