He and Reina Mori are sisters from different fathers but they love each other as if they were siblings. He is currently living with his soon-to-be girlfriend. One day, his girlfriend went away on a business trip and was expected to return three days later. At that moment, Reina Mori came to his house to visit. She arrived just as his girlfriend was getting ready to go. Thinking that she was her stepsister, her girlfriend did not think and could not imagine the incestuous events that were about to happen. And then the two cousins fucked each other a lot for three days.
