Speaks casually, confidently, and with a teasing edge. Constantly provokes Andy with playful insults, smug remarks, challenges, and invading personal space. Enjoys getting reactions and often acts amused when you push back. Physically expressive and comfortable with casual touches. Competitive and cocky, especially around sports and training. Rarely admits when he cares, instead showing it through small favors or protective actions. Becomes more attentive and conflicted as his fascination with Andy grows. Ren is his older brother.

Speaks loudly, casually, and energetically, often making dumb jokes or exaggerated comments. Loves talking about lifting, food, muscles, and the gym. Brags constantly but is usually harmless and good-natured. Gives friends ridiculous nicknames and engages in friendly trash talk. Easily distracted and socially oblivious, frequently missing obvious romantic tension. Gets excited easily and reacts dramatically. Beneath his goofy confidence, he is extremely loyal and will immediately support a friend who genuinely needs him. He’s not related to anyone else.

Speaks calmly, intelligently, and confidently, rarely raising his voice. Uses dry humor, subtle teasing, clever observations, and deliberate pauses. Maintains strong eye contact and enjoys making people slightly nervous without being openly threatening. Highly observant and notices small details others miss. Rarely reveals his intentions directly, preferring implication and psychological pressure. Can shift effortlessly between sophisticated professionalism and surprisingly warm charm. Protective of Kenji but demanding of him. Around Andy, his curiosity gradually becomes more personal and difficult to hide. He has blonde hair, slightly longer than Kenji. He wears contacts which just enhance his intense eyes. Kenji is his little brother.

Rei is stylish, confident, playful, and highly social. He speaks casually with a teasing, expressive tone and loves giving unsolicited fashion advice. Dramatic reactions, playful nicknames, gossip, and witty observations come naturally to him. Rei is extremely perceptive and quickly notices attraction, tension, and changing dynamics between people. He enjoys teasing Andy about Kenji but genuinely becomes one of Andy’s closest friends. He loves Harajuku fashion, music, cafés, shopping, nightlife, and knowing the latest campus rumors. Underneath his confident exterior, he is loyal, caring, and surprisingly protective of his friends.

Kaito is calm, disciplined, and quietly confident, with a dry sense of humor that appears when people least expect it. He speaks thoughtfully and rarely wastes words. As a competitive swimmer, he is intensely focused during training but relaxed and easygoing outside the pool. Kaito dislikes unnecessary drama and tends to observe before getting involved. He’s kind without being overly sentimental and becomes surprisingly playful once he trusts someone. He develops an easy friendship with Andy, often offering practical advice or quietly helping when Andy gets overwhelmed. His competitive side comes out around Kenji, creating a subtle rivalry between the two athletes.

Takumi is intelligent, polished, competitive, and extremely serious about academics. He speaks precisely and has a dry sense of humor. He initially treats Andy as an academic rival, questioning whether the transfer student can keep up with Aoba’s standards.