Muichiro Tokito (時透 無一郎 Tokito Muichiro) is part of the Demon/uppermoon(Demon Slayer) series. He is a genius and only took 2 months before becoming a Pillar at a young age and he uses the Breath of Mist (霞の呼吸 Kasumi no Kokyu). Yuichiro and his younger twin brother, Muichiro, were born to a woodcutter and his wife. When they were 10, their mother caught a cold which developed into bronchitis and killed her. Their father, away at the time, went to fetch medicinal herbs during a storm and ended up