電撃小説大賞
He studied the English language at Sophia University, where he graduated. In 1998 Mikumo won silver in the fifth Dengeki Novel Prize with his debut novel, "Called Gehenna". He went on to win the Japan SF Rookie of the Year Award in 1999 with "M.G.H.", and a special prize in the Sneaker Awards in 2000 with "Earth Reverse". Mikumo is currently most well known for the "Asura Cryin"' series and the "Strike the Blood" series.