The story of a female office worker who entered a so-called "black company" (a business that exploits its employees) as a new recruit, was indoctrinated, ended up becoming isolated, and fell in love with a dangerous senior colleague.
5-star ratings and glowing reviews. Getting a reservation at this hidden massage parlor is basically impossible. Koharu managed to bag a slot. This would be her first massage in a long time, and her chest fluttered as she rang the intercom...