3-Kai Nokku wa Dakareru Aizu 
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Description
Sakamoto is a fresh recruit employed at a company where first year employees must live in the company dormitory. His roommate is Shimasa, a guy with good looks who everyone has high expectations of.
However, it would seem Shimasa also has a dark side to him.
One day, he finds out that Sakamoto has a very sensitive body... and uses that to blackmail him into a sexual relationship.
Three Knocks is the Sign For Sex----
Shimasa sexually trains Sakamoto three times... and Sakamoto eventually becomes unable to resist----!
Type
Manga
Related Series
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Associated Names
3回ノックは抱かれる合図
3次敲门就是被上的暗号
3번의 노크는 안기는 신호
Three Knocks Is the Sign For Sex
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Oneshot (Complete)
Completely Scanlated?
Yes
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Last Updated
August 16th, 2025 7:21pm PDT - 1 month ago
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Licensed (in English)
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