After breaking up with an irredeemable trash of an ex-boyfriend, the only thing Hyemin is lacking is sex. Normally, she wouldn't even look at a dating app, but the younger guy she met there brought a friend to their meeting place. "'Is it okay if we do it with the three of us, noona?' "Isn't that only possible in videos? ...I don't know, let's just go for it like I've won the lottery!"