The karasutengu of Aibasan are a reclusive Ayakashi clan. They live in a castle high above the mountain, unreachable by normal human means. The clan is headed by Kokuunsai, the ootengu and god of Aibasan.
- Kokuunsai - Clan Head
- Tobimaru - Clan Heir
- Shidou - Head Servant
- Haikawa (灰川) and Haisawa (灰沢) - Servants