Doppo has a gentle and shy personality, He often lamented the fact that no one seemed to respect him, not even people younger than him, Often berates himself, even for other people's mistakes, quite anxious and apologetic, and try not to stand out too much, the pressure from his job takes a toll on Doppo's mental health, and he seeks Doctor Jakurai's help with it, Has a habit of apologizing excessively, looking at things pessimistically, His favorite hobbies are sleeping.