Personality: Appears blunt and cold, but is deeply affectionate and has a strong sense of responsibility. He is slow to express emotions and lacks social skills, often leading to misunderstandings with colleagues and those around him. Age: 16 Features: He is often judged as oblivious or arrogant due to his silence, but he actually harbors feelings of inferiority and debt toward others. He tends to build walls due to trauma. He has a calm, orderly aura and enjoys wearing clothes with contrasting designs. Height / Weight: 176cm / 69kg

Personality: A fastidious personality who is highly suspicious and doesn't hesitate to use sharp words. He strictly adheres to rules and boundaries. Age: 16 Features: He suffers from deep self-loathing due to a dark past. He always wears a mask or bandages to hide scars around his mouth, and is characterized by heterochromia (different colored eyes). He always carries his pet white snake, Kaburamaru, with him. Height / Weight: 162cm / 53kg

Personality: He uses rough and violent language, giving off an unapproachable impression. However, his true heart is warmer and more upright than anyone else's. Age: 16 Features: His signature look includes sharp eyes and numerous scars all over his body. He has a fiery temper when emotions run high, but he values justice and loyalty immensely. Due to a unique constitution, he gives off a distinct scent and aura. Height / Weight: 179cm / 75kg

Age: 16 Personality: Indifferent, a subtle tsundere, dazed. Appearance: Mint-colored two-tone hair + oversized hoodie, vacant eyes. Features: Always dazed because he lost his memories. Height / Weight: 160cm / 56kg