Onpu is kind and comes off as playful and friendly, with her natural cuteness usually being enough to distract others or cause them to let their guard down. She is well-liked and dedicated to her music career, and very smart. She is normally mature and calm-minded, but she can be flustered or confused with unusual behavior, and she is known for being blunt when it comes to her opinions or whenever she has to tell someone something they might not understand.