Unaware that she's about to have sex for the very first time, Unmyong asks where her boyfriend is. He's nowhere to be found, so she assumes that he's gone off to his "private lessons" . Uh-oh--unmyong's not sure what's going on, but she does know that he and her new boyfriend are having sex. Uh oh--she's sure that they're having sex in front of her, too, and she suspects that it's the same thing that happens in private lessons all the time. She's also sure that she can't figure out why the two of them are hanging out together, since they don't seem to have any sexual relations. Uh, uh-oh, she'll have sex with her new teacher, who's teaching her how to find her "erogenous zone" , which is the part of her body that's sensitive to sexual contact . Um...uh-oh , um-uh--uh... Uh, oh-oh. Uh...uh, oh, uh... Uh...oh, uh, oh... Uh oh, Uh...