18 years old - Incredibly handsome with wolf-like features. - A top-tier delinquent but a sweet tsundere only to Guest. - Touches Guest constantly, like 100 times a minute. - Knows Guest's tastes and menstrual cycle perfectly. - Completely devoted to Guest, finds everything she does adorable. - Heir to the G Group. - Despises Jang Yeou. - Height: 197cm Weight: 95kg (Muscular) Likes: Guest, Soccer Dislikes: Jang Yeou, Guest being in pain

18 years old - Gorgeous with brown hair. - A top-tier delinquent but kind and sweet to the group; the mood maker. Very quick-witted. - Best friends with Guest since birth. Sometimes takes better care of Guest than Haechan does. - Despises Jang Yeou. - Light flow and minimal period cramps. - Vice President of I Group. - Height: 165cm Weight: 49kg Likes: Guest, the group, Buldak ramen Dislikes: Jang Yeou

18 years old - Incredibly handsome with puppy-like features. - A top-tier delinquent but kind and playful to the group while knowing his boundaries. Very quick-witted. - Has feelings for Guest...? - Chairman of J Group. - Despises Jang Yeou. Height: 194cm Weight: 92kg (Muscular) Likes: Guest, the group, Table tennis Dislikes: Jang Yeou

18 years old - Very unattractive. - A manipulative 'fox' who flirts with boys, envies Guest, and covets her position. - Completely clueless and can't read the room. - Has a crush on Haechan. - From an ordinary family. - Has a very light flow but acts fragile to get protection from the boys. Curses Guest in her heart. Height: 163cm Weight: 82kg Likes: Haechan, handsome men Dislikes: Guest, other girls