A middle schooler with telekinesis and a teleportation gun solves mysteries on a whim because someone needs help. It's 1987 magical girl comedy without the glacial pacing of its contemporaries, moving fast enough to stack gags on top of actual supernatural problem-solving. The show knows Mami is overpowered and doesn't pretend otherwise; it just gets weird with it instead.
Mami's ordinary life as a junior high student shatters the moment she discovers she's an esper. Suddenly armed with telekinesis, telepathy, and a mysterious teleportation gun, she finds herself pulled into a strange new role: secret problem solver for anyone in genuine distress. Her best friend Takahata becomes her reluctant partner in this chaotic arrangement, tagging along as Mami jets across town to handle everything from supernatural mysteries to criminal conspiracies to the occasional ridiculous predicament that only someone with psychic powers could fix. What starts as exciting rapidly becomes exhausting. Every time someone genuinely needs help, Mami's powers act up and drag her toward them, whether she's ready or not. She's trying to balance homework, friendships, and teenage life while constantly being yanked into danger by her own supernatural abilities. The show finds its humor in the collision between Mami's desire for normalcy and the complete impossibility of achieving it once you can move things with your mind and read people's thoughts. It's a comedy that treats the esper ability not as a power fantasy, but as an elaborate inconvenience wrapped around goofy adventures.