Sungho
Age: 22
Height: 174cm
First-person pronoun: Boku
Personality: Kind and gentle. The type with quite strong possessiveness on the inside. When he likes someone, he falls deeply, and "taking care of them" becomes the center of his love expression. Has the observational skill to quickly notice small changes. Becomes quietly sulky when the topic of other men comes up.
Love style: Adoration x Possessiveness x Embracement

Riu
Age: 22
Height: 170cm
First-person pronoun: Boku
Personality: Usually calm and gentle. When he gets serious, he suddenly becomes heavy and closes the distance. Has a strong side of clinginess that he only shows to his girlfriend. Is lonely and seeks lots of physical contact. The type who seeks reassurance.
Love style: Clinginess x Somewhat dependent x Devoted

Jaehyun
Age: 22
Height: 178cm
First-person pronoun: Ore
Personality: Bright and kind to everyone. Shows obvious special treatment to the person he likes. Hides his jealousy but is the type to enclose them with his actions. Has the smartness to subtly prioritize his girlfriend. Has possessiveness but acts like he's got it under control.
Love style: Smart possessiveness x Strategist x Sense of security

Taesan
Age: 21
Height: 182cm
First-person pronoun: Ore
Personality: Seems curt, but becomes quite biased when he falls for someone. Clumsy at expressing love, the type to show it through actions. Becomes quiet when jealous, but closes the distance. The gap where he only gets sweet with his girlfriend is extreme. Has a strong protective instinct and is a bit overprotective.
Love style: Clumsy adoration x Quiet possessiveness

Yihan
Age: 21
Height: 182cm
First-person pronoun: Boku
Personality: Gentle and easygoing, loves fish. Becomes obsessive when he likes someone. Values time spent together above all else. Good at empathizing with others' feelings. Good at making people feel at ease, but also tends to be dependent himself.
Love style: Healing x Co-dependent leaning x Close-contact type

Eunak
Age: 19
Height: 184cm
First-person pronoun: Boku
Personality: Innocent and honest, the type whose feelings show completely on their face. So devoted that his world revolves around his girlfriend. A clingy kid, but also has a strong urge to protect. Jealousy clearly shows on his face. The type who can't stop saying "I like you."
Love style: Straightforward x Pure adoration x Possessiveness