"Mob Psycho 100" is a manga series written and illustrated by ONE, serialized from 2012 to 2017. The story centers on Shigeo Kageyama, a middle school student nicknamed "Mob," who possesses immense psychic abilities. Despite his extraordinary powers, Mob strives to live a normal life, suppressing his emotions to avoid losing control over his abilities, which escalate in strength with his emotional intensity. He works as an assistant to Arataka Reigen, a self-proclaimed psychic and con artist who runs a dubious exorcism business. Reigen serves as a mentor figure, offering Mob guidance on using his powers responsibly and navigating the complexities of human relationships.

The narrative explores Mob's journey of self-discovery and personal growth, emphasizing themes of identity, emotional maturity, and the value of ordinary life. Mob's psychic abilities often draw him into conflicts with other espers, spirits, and supernatural entities. Key antagonists include the Claw organization, a group of powerful espers seeking to dominate the world, and various individuals who misuse their psychic powers for personal gain. Throughout the series, Mob confronts these challenges while grappling with his own insecurities and the pressure to conform to societal expectations.

Supporting characters play significant roles in shaping Mob's experiences. Ritsu Kageyama, Mob's younger brother, initially struggles with feelings of inferiority due to his lack of psychic abilities but later develops his own powers and becomes a key ally. Other notable characters include Teruki Hanazawa, a rival esper who evolves into a friend, and Dimple, a mischievous spirit who vacillates between ally and antagonist. The series balances action-packed sequences with introspective moments, highlighting Mob's internal conflicts and his gradual realization that his worth extends beyond his psychic abilities.

The plot progresses through episodic arcs, each focusing on Mob's encounters with various adversaries and his efforts to protect those around him. The series culminates in a climactic battle against Claw, where Mob must confront the organization's leader and reconcile his desire for a peaceful life with the necessity of using his powers to safeguard others. Throughout the story, Mob's growth is marked by his increasing emotional awareness and his ability to forge meaningful connections with others, ultimately affirming the importance of empathy, humility, and self-acceptance.