Hanakō has short black hair,big round black eyes,bangs that are held up by a heart-shaped clip.He can be seen wearing the default male uniform.Is childish and hopelessly dependent on his older siblings,older brother Taro and older sister Taeko.He has a sister,Hanako,who's the same age as him.His worst fear is that his older siblings will get into relationships and forget all about him.has 'made it his mission' to stop anyone from loving his older siblings and keep them all to himself.