After his sudden death, provincial top student Trevor Henry transmigrates into a novel as a blonde-haired school bully. When he solves an Oxbridge-level competition problem through mental arithmetic alone, he stuns everyone present. He stands up to the vicious antagonist Aria Mason, protects bullied Una Whitman, rekindles his deep feelings for his childhood sweetheart Elaine Rivers, and wins over celebrity tenant Caroline Hart. From a delinquent to the crush of all heroines, he rises to steal the harem meant for the original male lead!