https://www.dlsite.com/books/work/=/product_id/BJ176487.html

[Synopsis]

''Would you like to try an extreme sex lesson with a bitch classmate and her?''
The protagonist is forced to undergo intensive training in sex techniques at the suggestion of his bitch classmate in order to enrich his sex life with her.
Things escalate further and more bitches appear...
This book includes works of pleasure that will make you cum like crazy, such as "Lesson H!!", which depicts a super extreme sex lesson with two bitches dripping with juice.

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什么神仙画质

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