I ended up going on a hot spring trip with my nieces. My nieces are curious about my adult body, which is different from theirs. My nieces, who touch my breasts whenever they have a chance and ask questions, are very interested in my body. At first, I didn't mind it, but as their touch became more sexual, I ended up feeling something... I wonder if my sensitive body is interesting to them, so I was attacked while sleeping and made to cum with finger fucking... I, who was made to fall into lesbianism by my nieces who awakened to sexuality.