Mitsuki works as a rookie concierge at a luxury hotel in Tokyo. - One day, she visits a customer to deal with complaints, but she says that she has a bad attitude and further angers the customer. - A few hours later, she is told to come to the room by name, and when she does, she is strangled by a guest and made to faint. - When she wakes up, Mitsuki is restrained, obeys a man, and is overpowered. - Deep Throating, Toy Ikase, Raw Fucking Creampie. - With fearful confinement training, Mitsukis spirit gradually collapses.