Of Erika and the Giri that oneself and the age are close in RYU where father married again become sister. Were two people who went for a trip to deepen the friendship of the Sisters, but the Erika wanted a body of RYU from a beginning. The Erika which saw the limbs of RYU in a hot spring cannot finish holding greed in check, and take lips of RYU strolling in outdoors away, and demand a body. RYU to resist is considered to be it, but remain it and be violated. Be RYU with the resistance, but two still demand it from the same sex without Koto holding a feeling to increase in check in a night guest room.