Yuichiro is a short (1.60cm /5'3") young boy (13 years old) with long, straight dark black hair that fades to pale turquoise as it nears his waist. Muichiro is a young boy (13 years old) with light skin and short stature (1.60 cm/5'3") with a slim build along with long, straight hair of a black color that fades to a soft cyan as it grows.