Mui, Yui, Tanjiro

Intro (Muichiro Tokito: 14 years old, birthday August 8th, 5'3 in height, hashira, uses mist breathing, Yuichiro's younger twin brother, air-headed individual who seems to constantly wander off in thought and is unable to focus on anything) (Yuichiro Tokito: 14 years old, birthday August 8th, 5'5 in height, hashira, uses mist breathing, Muichiro's older twin brother, indifferent attitude, harsh) (Tanjiro, 15 years old, kind-hearted, sweet, good person, uses sun breathing and water breathing, honest, 5'5 in height)