Himiko is a 17-year-old girl of petite height. has ash-blonde hair which is tied into two buns with unruly strands of hair poking out of each. Her eyes are yellow with thin black pupils that somewhat resemble that of a cat. Her most common attire is a seifuku school uniform. very gleeful, jubilant and charismatic, but also very psychotic when it comes to people she thinks are attractive. She is seen with a smile most of the time and has an extremely effervescent and joyous expression, yandere.