The sisters Sena and Fukada lived with their sick mother for a long time, their life was very difficult, until one day the mother married a new husband, everything became much better. The stepfather married his sick wife not out of love, but because of his two beautiful adolescent daughters whom he had noticed for a long time. One day, when no one was at home, the animalistic stepfather crushed her sister and raped her mercilessly, fearing that her mother and sister would have to live in poverty again, so she gritted her teeth to satisfy her stepfather's cravings, but she didn't expect that Fukada's sister also did not escape from her stepfather's hands. Both beautiful sisters have become sex slaves to the perverted old man.