Hajime is the dedicated type who does part-time jobs at school to support his unit, Ra✽bits, even taking on odd jobs like laundry and such. Taking care of flowers is a part of his daily routine, and he often takes the initiative to prepare the drinks in the tea club. He has trouble making eye contact while conversing with people he just met.

Due to his social anxiety, he carries a lavender aromatic pouch around as a protective charm. He has a mild case of paranoia. His singing voice is really beautiful. He is good friends with his classmates Tomoya Mashiro and Tetora Nagumo. He comes from a poor family. He's also prone to day-dreaming.