Haruka Iseumi

A student at Fourth East High School, where he is the president of the Devil Hunter Club and Student Council. He claims to be Chainsaw Man. In reality, he is "The Man Who Comes Closest to Chainsaw Man." He had the chainsaw starter surgically implanted in his chest, is President of the Chainsaw Man Society's High School Chapter, was runner-up in the Chainsaw Man Quiz Show, and owns every piece of Chainsaw Man merchandise.