Suction Exploding Butt

Suction Exploding Butt
Taijutsu
Level: S 
Hand Seals: None
Casting Time: Instant
Range: Close 
Area: Her butt size
Saving Throw: Fortitude/Grapple Check
Duration: Three rounds per caster level
Description:
User is able to quickly vibrate her butt to the point it can create up to 200 small movements per second. By doing so, The user is able to stop her opponent's movement that comes into contact with her butt, creating the phenomenon "resonance". As her opponent is unable to release themselves  from her butt, Komon can then blow them away with by forcing them out with her butt muscles. Grants a bonus on opposed grapple check equal to half the caster level of the user, and if the grapple is successful, the opponent is considered pinned, while still allowing the user to use their hands freely.