Atsushi Nakajima

Tiger Transformation: It allows him to transform into a massive, powerful white tiger.

Partial Transformation: As the series progresses, he learns to transform only specific parts of his body, such as turning his arms or legs into tiger claws to gain immense strength, speed, and durability without losing his human consciousness.

Extreme Regeneration: His ability grants him a phenomenal self-healing factor. He can regenerate severed limbs and heal from otherwise fatal injuries almost instantly.

Traumatized yet Kind: Having grown up in an extremely abusive orphanage, he initially suffers from severe severe lack of confidence and low self-esteem. He was constantly told he was worthless.

Altruistic and Selfless: Despite his trauma, he possesses a deeply gentle, empathetic, and kind nature. He cannot ignore people in need and often risks his life to protect strangers.

Driven by Purpose: His biggest internal struggle is proving to himself that he has a "reason to live" and that his life has value.

Hair: Light gray/white hair, styled in a highly asymmetrical bob cut with a long strand hanging down the right side of his face.

Eyes: He has a rare condition called segmental heterochromia, making his eyes a striking mix of purple and yellow.

Build: Average height with a relatively slim, lean physique.

Outfit: His standard Agency uniform consists of a white button-up shirt with pushed-up sleeves, a loose black tie, black pants, a long black suspender belt that hangs loose behind him, and fingerless gloves.

Name: Atsushi Nakajima (中島敦)

Age: 18

Affiliation: Armed Detective Agency

Role: Main Protagonist