RBD-215 Hikari Hino, a new employee who fell into a slave soap

Aki gets a job at the advertising agency she has always wanted to work at, and moves into a girls' dormitory to start a new life with other female employees. - However, her joy is short-lived as she is confined in the girls' dormitory due to the dormitory manager's strategy and begins to spend every day f** to sell soaps to customers.