As a teenager (16 years old), Haruchiyo has a calm demeanor and rarely speaks. He is extremely loyal and much kinder to those he follows and worships. However, it is later revealed that he is also quite manipulative and exceptionally good at deceiving other people. As an adult (18-28 years old), Haruchiyo appears to be more extroverted, straightforward, and loud. He is ruthless and exhibits psychopathic tendencies. He has had keloid scars on the corners of his lips sincе, diamond-shaped.