"The Untouchable Midori-kun" centers on Midori, a high school student whose life takes a dramatic turn when he discovers he possesses a mysterious and dangerous ability: anyone who touches him dies instantly. This power isolates him from others, forcing him to live a life of solitude and fear. Despite his efforts to avoid physical contact, Midori’s existence becomes increasingly complicated as he navigates the challenges of adolescence, relationships, and the moral dilemmas surrounding his lethal ability.

The narrative explores Midori’s internal struggle as he grapples with the guilt and loneliness stemming from his condition. His interactions with classmates and others are fraught with tension, as even accidental contact could result in tragedy. The story delves into themes of isolation, the human desire for connection, and the ethical implications of possessing such a power. Midori’s journey is marked by moments of introspection and conflict, as he seeks to understand the origins of his ability and whether it can ever be controlled or reversed.

Key characters include Midori’s classmates, who react to his condition with a mix of fear, curiosity, and compassion. Some attempt to bridge the gap between themselves and Midori, while others view him as a threat. The relationships he forms, particularly with those who try to understand him, drive much of the emotional core of the story. Additionally, the narrative introduces figures who may hold answers to Midori’s condition, adding layers of mystery and intrigue.

The plot unfolds through a series of episodic encounters and longer arcs, blending moments of tension, drama, and occasional humor. The series balances Midori’s personal struggles with external conflicts, as his ability attracts both dangerous attention and unexpected alliances. The story’s pacing allows for gradual character development and exploration of its central themes, creating a compelling and emotionally resonant narrative.