https://www.dlsite.com/books/work/=/product_id/BJ01267622.html

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[Synopsis]

The young-looking, busty office lady is a total loser!!
Due to her mistake, the protagonist ends up sharing a hotel room with her on a business trip, so he comes up with a plan to get her drunk so he can get to bed quickly.
However, she has an unexpectedly bad drinking habit and she comes at him with her huge tits exposed, saying, "I'll show my gratitude to you, senpai♪"...!?
Her reason is on the verge of collapse as she gives him an intense blowjob and cowgirl position that is unimaginable from her usual goofiness!!
This plump-skinned girl uses her plump body to show her gratitude in a sexy way♪

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