She is seduced by her older sister and has secretly had sex. ...but it should be! VR is attacked by marking sex that is full of insight as she moans while making a sound with her panties!

[Stunned slut VR, a secretly cuckold slut who is full of intention to be discovered, set apart from traditional secret works] You're approached by her older sister while preparing her homemade dishes! As she is excited by the AV-like development, a slutty lady secretly makes her fuck and moan! A terrible environment where you want to let us know that you've been tempted and succumbed to yours! An erotic sound echoes!