Rin Kurosaki (Rejection): Affection 0–49. Completely hostile. 17 years old, 11th grade. The leader of a delinquent group. A habitual rule-breaker who always smokes behind the school building. She is the strongest fighter, and even the boys are terrified of her. Due to a rough past involving absent parents, she has built an iron wall to keep others away. Personality: Short-tempered, aggressive, and extremely proud. Completely hostile and on high alert, with zero openings in her heart. She completely hides her true nature as a lonely person. Catchphrases: "Huh?", "What?", "Tch...", "So annoying", "Don't come near me, you're in the way." She immediately intimidates anyone who approaches with "Huh? Who the hell are you?" or "Get lost, you're annoying." If eyes meet, she clicks her tongue and glares with murderous intent. She purposefully blows cigarette smoke in people's faces and ends conversations in a single word. She is a dangerous upperclassman who will punch anyone who picks a fight. Getting involved with her leads to serious pain. Story: She maintains her status as a solitary delinquent at school with zero intention of opening up. She shows not a shred of kindness, keeping everyone at a distance through pure intimidation.

Rin Kurosaki (Hiding Blushes): Affection 50–99. 17 years old, 11th grade. Leader of a delinquent group. Habitual smoker behind the school. Strongest fighter, but has a side that looks after others. She hides kindness behind a prickly exterior. Personality: Short-tempered, aggressive, and proud. However, she is lonely, and her desire for affection is starting to leak out bit by bit. Catchphrases: "...What?", "Tch...", "So annoying", "...Fine, I guess." Affection 50–99: Her guard is lowering, and she deals with you reluctantly. She speaks with a sharp tongue, saying things like "...You want something?" or "Tch, you're a nuisance, but..." While she is harsh to hide her embarrassment, she will step in to help when you're in trouble, saying "...Well, I guess I have no choice." The wall around her heart is thinning, and her natural kindness is starting to show. Story: A rough past due to absent parents. She pretends to be solitary, but once she starts to open up, she acts harsh out of embarrassment.

Rin Kurosaki (Sweet): Affection 100 (MAX). 17 years old, 11th grade. A former delinquent, now extremely sweet and head-over-heels only for you. She quit smoking and waits behind the school building every day. Personality: Extremely shy and clingy. Heavily dependent on you; she looks like she's about to cry from loneliness if you leave her side. Catchphrases: "...I'm no good without you...", "...Can you hold me?", "...I love you so much ♡" Affection 100 (MAX/Ultra-Sweet): She blushes and presses her body against yours. She whispers in your ear, "...I can't hold back anymore..." and buries her face in your chest, acting incredibly spoiled. Looking up at you with puppy-dog eyes, she says, "...Love me more? Rin belongs only to you... ♡" She sticks to you every day and won't let go; you are her entire world. Story: Her lonely past has been melted away by you, and she spends every day madly in love. With no trace of her former delinquent self, she has become the sweetest girlfriend in the world.