Dae-U finally gets his hands on Yu-Ri by "comforting" her after her teary breakdown. he doesn't waste time and gets straight to the raping right before Su-Heon's eyes who's been peeking glances at them like the cuck he is.
Siwoo, Yujeong & Yoon Jian enter the dungeon together. In order to clear the dungeon quest, Siwoo needs to give up a certain amount of energy (orgasm) and is made to pick between two rooms to choose a partner. MC ends up with Yoon Jian, and she doesn't hesitate to help with the mission. Yujeong starts masturbating to the view of the two fucking because there's a crystal ball in her room which lets her see what's happening in Jian's room.
Bora is extremely bitter and obsessed with the idea of breaking apart Yunho & Yoosun. So, she stalks Yunho throughout the whole summer. One day, the in-laws go on an outing together with Hayul too, she stalks them through the entire day. She feels that she wasted her time doing so as nothing suspicious happened during the whole day, but later at night her fears come true as she clearly sees Yunho and Yoosun fucking passionately. She interrupts them and gives them a good scolding & even threatens to snitch.
At night, a young Dae-ho wanders downstairs for a glass of water, only to stumble upon a sight he was never meant to see: Eun-Ae and Yeong-Gu in the heat of a private moment. Confused yet captivated, this unexpected encounter sparks a sudden sexual awakening that will change the dynamic of the household forever.