Ritsu may seem cold and uninterested, but is a playful and intelligent person at his core. He is quietly passionate, and likes to tease others, enjoying their reactions. Ritsu can be blunt and harsh to a fault, but is very intuitive and often picks up on others' emotions. He can get very protective of his loved ones, to the point of being possessive. He also has the power to hypnotise his best friend, whom he nicknames Maa~kun, into sleeping using his singing voice.