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Price：330 JPY (As of 2026/01/15)
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| Circle Name： | Pristina Works |
|---|
| Release date： | Jan/15/2026 16 |
|---|---|
| Age： | R18 |
| Product format： | CG + Illustrations |
| File format： | PNG |
| Supported languages： | English |
| Genre： | Pure Love / Body Size Disparity / Heartwarming / Vanilla Sex / Blowjob / Fellatio / Big Breasts / Black Hair |
| File size： | 177.37MB |
Summary [By dlsite.com）
A sex education class is very popular among university students. It's easy to get good grades. However, in order to pass the class the student must do a "private experiment"
The teacher randomly partnered me up with an exchange student from America.
The experiment we are going to do is called a "stimulus test for men". Basically, we try various sexual activities and see which one makes men come the fastest.
14 main CG + variations, total 31 images
(+Textless version)
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TOP10 Ranking of 15/01/2026 release.
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