Mind the Noona Gap 2 Episode 5

Yun So tries desperately to win back Ju Hee, but her sudden change of heart leaves him struggling. Meanwhile, Si Won is left in confusion after failing to receive a Love QR from Ji Seung. As the truth game heats up, the participants are completely blindsided by questions that are bold beyond imagination, yet they can't help but expose their raw emotions. Finally, the benefits for the pool party winners are revealed. What is this shocking benefit that leaves the entire house in utter disbelief?