Ruka is a capable married secretary who is highly respected even by the company president. However, one day, the president's son, who had his eye on her body, frames her with a false accusation, leaving her unable to refuse and getting fucked. As she is trained both at work and at home, Ruka gradually falls into a world of pleasure. With her face flushed red and coming until she's nearly dead, her chastity is overwritten by pleasure, and she begins to live as a dedicated bitch for the president's son...
