Ah... you just walked in and caught your waifu having sex with another man. Look at her pussy, his penis is inserted deep inside. Even though she notices your presence, she still remains seated on his cock, his shaft buried to the hilt inside her, perfectly fitted and refusing to come out.

Trigger word:

chntrSP

Other prompts:

1girl and 1boy, vaginal sex, upright straddle, hug, bottomless, looking back, looking at viewer, hetero, blush, sweat, ass, pussy juice, pussy, penis, testicles, (door:0.5), open mouth, (surprised:1.1)