"Thank you very much, my sister-in-law." "Okay, you'll do anything to thank me." Yuya left the house with her wife angry for a trivial matter. I promise to thank my sister-in-law, Natsu, who offered to arbitrate. As soon as I made that promise, Natsu approached me, exposing my lustrous pure white naked body generously. Yuya, who was pushed by a pretty smile, knew that it was no good, but couldn't resist Natsu's temptation ...