Ayakashi

Kisaragi Soushichi's form during Touko's route in Ayakashibito when he's forced to make a contract with Hounan in order to survive. It's a complete opposite of his normal personality; he feels an urge to destroy everything in his path.
Wears a 2 meter long really destructive spiral sword. Besides the sword, there's 8 gun grown out from his back which can fire bullets he made within his own body.