Karen Inuyama, an office worker with a love for fine muscles, is interrupted in her blissful moment by her coworker, Takuma Hosokawa. Their regular house-drinking party takes place at Hosokawa's house, where a series of events leads Karen to discover a surprising side of Hosokawa-kun. It's hard to believe he was hiding something like that! And so, the battle against her cynical coworker begins.

This is the physical copy of the Kakushitagari no Douki-kun manhwa.