A group of trained assassins that are from the Tsukigata village and uses insects as part of their assassinations. They work for the Yatagarasu and use assassination as their way of keeping the Tsukigata village afloat. They use the Soldier Bugs and Luck Locusts given to them by the Tento Lords to kill their targets. Fukoshi also use a spell called Fukorutsubo which traps their target in labyrinth world where demons will be able to prey upon them. A Fukoshi will usually bond with the Soldier Bug they are given such as Dahn and Taromaru.