Identify the manga

[Takanuva5]

https://i.kym-cdn.com/photos/images/newsfeed/001/098/914/a5e.png I can't tell which series this page came from. Anyone have a good idea?

 

[Batman]

It's a hentai.

 

[FireFish5000]

@Takanuva5
I looked this up for... uh... science!
https://mangadex.org/title/27228/mizugi-de-obenkyou

[ul]_{@Batman said:}

It's a hentai.

[/ul] A perfect research topic