Higari is a small, skinny man with long orange hair and dull blue eyes, who is always seen wearing a helmet over his face. His hands appear to be the largest part of his body, disproportional to his rather small frame.
His hero costume consists of his signature yellow helmet that is hooked up to a large steel appliance behind him. This metal device supports his body and has two large arms attached to it. Power Loader also sports blue pants and black shoes.
Higari is a strict teacher who desires to see his students excel without constraint. He has a love/hate relationship with Mei Hatsume, being easily angered by her carelessness and frequently threatening her with bans from the Development Studio, but acknowledging her inventiveness and productivity.
Tenya Iida of Class 1-A rushes to U.A. High School in order to gather Pro Heroes who can save his classmates who are under attack at the Unforeseen Simulation Joint. Power Loader is among the faculty members who accompanies Tenya and Mr. Principal to go to the U.S.J. Once there, Power Loader rescues Mashirao Ojiro from the conflagration zone.
Power Loader is present for the faculty meeting where the teachers agree to change the practical portion of the Final Exams. He is placed against Mashirao and Tenya. He and the other teachers explain the changes to the exam to the students of Class 1-A.
In the third practical test matchup, Power Loader creates dozens of pitfalls in a dirt field that Tenya and Mashirao struggle to cross. Tenya uses his Recipro Burst technique to cross the field faster than the holes form, but Power Loader confronts him halfway across. Using his quick thinking and Recipro Extend move, Tenya sends Mashirao flying past Power Loader and through the escape gate. Afterward, Power Loader congratulates Tenya on a good plan and passing the practical test.
As Class 1-A prepares for the Provisional Hero License Exam, students go to the Development Studio to get improvements for their costumes. Mei Hatsume joins him afterschool and nearly blows up the lab. She encounters Izuku, Tenya, and Ochaco outside in the hallway. Power Loader warns Mei that she'll be banned from the studio if she keeps messing everything up.
Power Loader explains the development process to Izuku, Tenya, and Ochaco. Mei interrupts and has them all try out her gadgets. Power Loader explains despite her wackiness, Mei is the most promising student he's ever had. 
Costume Development: Higari is the teacher responsible for U.A.'s Costume Development Studio. He is a licensed developer and thus has knowledge about creating, upgrading, and maintaining hero costumes.
- High Density Weights (Final Exams Arc): Power Loader and the rest of the teachers use these bracelets to give themselves a handicap while they fight their students.
Battles & Events
- Higari's name contains the kanji for "to bury" (埋?), "island" (島?), "dry" (干?), and "hunting" (狩?).
- In beta design, his real name was Higari Umeshima (埋島 干狩 Umeshima Higari?) and his hero name was "Sinker".
- Higari likes cars.
- Power Loader's costume design has several similarities to the Power Loader from the Alien franchise.
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