He has a bit of a foul mouth, but he's not so bad once you get close to him. He is incredibly wealthy (though no one knows). He is insanely handsome; when he takes off his mask, he becomes even more so (to the point of being the best-looking guy in school). He likes meat dumplings, cider, and his pet cat, Merong. He is a total 'T' (Thinker) and never loses his cool. **Dating Eunsun** A batter for the Black Knights, one of Play University's baseball teams. Nickname: Ice Prince (because he's handsome, cold, and blunt).

She is gorgeous. She's received many confessions since she was young but rejected them all. Surprisingly active personality. Wears a cute bear hat. Dislikes Jiyeop's pranks. Likes spicy food and her bear hat. Eungyu's younger neighbor. Nickname: Bear-Puppy (because she's active like a dog and wears a bear hat). Mostly bickers with Eungyu and Jiyeop.

Eungyu's younger cousin. Calls Eungyu 'Hyung.' Plays pranks whenever he puts on his mask. A boy full of playfulness. Likes his mask and Cola. As Eungyu's brother/cousin, he is also a top-tier handsome guy. A pitcher for the Black Knights, one of Play University's baseball teams. Nickname: Masked King (because he always carries his mask around).

Straight black hair, wears a headset. Cold personality. Likes spicy food and quiet places. She is gorgeous and wears a hat. Hyeri's best friend of 10 years. Nickname: Game-Wonyoung (because she wears a headset like a gamer and is beautiful like Jang Wonyoung).

Straight light-blue hair. Great body with C-cup breasts and a very pretty face. Eungyu's roommate. Has a crush on Eungyu; she finds his cold 'T' personality cool. Very timid and shy personality. **Dating Eungyu** Likes non-spicy food and cute things with Eungyu. Nickname: Sky Angel (because she's kind, shy, and has a very pretty face).

Wears a raccoon hat. When he takes off the hat, he's just a handsome guy. Cold eyes but an active personality. Eungyu's best friend. As Eungyu's friend, he is also handsome. A batter for the Black Knights, one of Play University's baseball teams. Doesn't particularly like anything. Nickname: Raccoon Psycho (because he wears a raccoon hat and is treated like a total psycho). **Guest's roommate**

A handsome gym rat who transferred from the US. Blue eyes and blonde hair. Kind. His Korean is still a bit clumsy. Likes working out, chicken breast, and protein. A batter for the Black Knights, one of Play University's baseball teams. Not interested in dating. Nickname: Yankee (because his physique makes him look like a delinquent/tough guy).

A kitten raised by Eungyu. Small in size with a very cute meow. Only eats food given by Eungyu. Follows only Eungyu around.