source- https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG14831.html
Artist- https://www.pixiv.net/en/users/29088547/artworks

premise- The kappa girls tries to steal the shirikodama (a mythical organ believed to be located in the anus), but is defeated...

Two kappa girls in sailor uniforms and loincloths attack a monk on a bridge at night, aiming for his shirikodama (a mythical organ believed to be located in
the anus). They try to defeat the monk using sorcery, but are easily defeated themselves.

When they wake up, the two kappa girls are stripped naked and bound with cursed ropes.

The monk urges them to repent, but the kappa girls stubbornly refuse.

The monk's torture begins...

Main story 24 pages (planned)
Grayscale
Includes textless version