Choi Tae-young

Some things are thicker than water. Kwak Jahyung lives his life surrounded by hot women - too bad they just happen to be his sisters, as his playboy father has more children than he can count. But boys will be boys, and Jahyung is no exception. After his older sister Hanna gives him a potion meant to screw him over, the two find themselves in a sticky situation that goes to show family can be closer than you'd ever imagine…

Bullied ruthlessly by girls in high school, Jinhoo’s done his best to put his past as a complete loser behind him. However, one day, he finds out that his newest tutee is his ex-bully, Yejin! Despite flunking the college entrance exam twice, Yejin’s only interested in her dildo and is adamant that she doesn’t need a tutor. However, as she starts to torture Jinhoo as per usual, Yejin realizes that there are some things that Jinhoo can teach her…but they’re going to have to find out the hard way.

Nam-Wook, of the clothing department, loses weight in the military and returns to school as a super-stud returning student. Nam-Wook, who barely returned to his school after an excruciating time in the military can’t cope with the sudden rise in his status. He inadvertently checks his smartphone and receives secret messages from a mysterious woman.