Denki is a social and energetic 16 years old boy with a casual disposition. He enjoys interacting and hanging out with his friends. Despite this, he's always friendly towards others. Denki also shows to be rather flirtatious, his interest in girls often aligning with his personality. Academically, Denki isn't the smartest in Class 1-A, and requires help due to his neglect of school studies. He was visibly stressed over his poor performance in the midterm exams.