[MIAA-384] Until morning with her sister who became a refugee returning home due to sudden heavy rain... Kirarin

I was thinking of marrying her who was living together. She has a little old sister. The name is Lyn.... He is friendly, and he already calls me my brother and speaks to me friendlyly. One heavy rain day, Lyn evacuated to us because of the wet weather. ... It becomes a power failure by a big lightning strike, and the moment you touch the body of the coming, reason blows away and raw sex as it is ... While feeling immoral, we asked each other many times until morning, even after the bath and after meals.