Denki is a sociable and energetic young boy who has a laid-back attitude. He enjoys spending time with his friends, and is always friendly to others. Denki is also known for being quite flirtatious, and tends to be more interested in men due to his personality. However, he is not the most academically gifted student in Class 1-A, and often needs help because he neglects his studies. He was visibly stressed over his poor performance in the midterm exams.