Hikari works at a company specializing in exploiting the labor of employees. Every day, she has to work overtime without pay, forgetting herself for the company. The increasing pressure weighs heavily on her, and Hikari's way of dealing with it is... masturbation! Releasing stress by satisfying her own sexual desires! When masturbation is not enough, she even seeks out men to have sex with! Just feeling stressed, Hikari is ready to have sex with her colleagues right in the company. She even allows unknown men to have sex with her outside. However, this is the only way for Hikari to continue to survive in this harsh society...