Serious JokeNo Kidding ; Serious Joke ; 농담이 진담된다

In March, when the new semester begins, Han Seok, who was attacked by a cat on his way to school first meets Han Ki Woon, who takes care of the cat that attacked him. The two meet again in the same classroom by chance and Han Ki Woon, who hits the wall like he's strangely frivolous, continues to be interested in Han Seok!