【INAGO】Free Research in Summer Vacation Episode 1 [Full Color Version].

During the summer vacation, Riko helps her handsome cousin with his [free research]. The girl’s little heart is pounding as she makes memories for the summer. It’s a great way to get to know the people around you.
But what awaits Riko is not just a fun summer vacation tradition.
But what awaits Riko is not a fun summer vacation tradition, but rather the prey of a dirty curiosity that wants to get laid…
A woman is held in a storehouse and a startling experiment begins: “What happens when you keep making a woman cum? is about to begin!

Aphrodisiac & toy blame squirting for 3 hours forced climax! And then, she continuously gets fucked in the middle!

Don’t miss this record of a training experiment that will make you cum until your brain burns out!

It’s a great way to get a taste of what’s to come.

Please note that there is a duplication of this work with a doujin work.