RBK-112 The tears of a slave girl, the stolen tomorrow, the day I became a doll. Kudo Yura

Although his true identity is unknown, it seems that there are organizations operating in various places...
Yura is a female college student who is kidnapped in a car after the attention of the members.
From the organization's perspective, she is merely a "product" to be offered to her clients.
... And from that day onwards, the training called "product" begins, and for her, "barbaric" begins, which is merely being raped...