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

premise- A female diver
girl captures a small kappa hiding in a house and lures out the boss kappa. Her goal is to avenge her best friend who had her shirikodama (a mythical organ believed to be located in the anus) stolen.
The girl faces what seems like a reckless challenge, but she has a secret plan...!?
This is a sequel to "The Kappa's Diving Hunt," but can be enjoyed as a standalone work.
Fighting, relatively mild (no bleeding) ryona
19 pages including cover (18 pages of main story)
Grayscale
Includes textless version
1-19 text
20-38 textless