HUNTB-627 The dutiful sister-in-law is also lecherous

I've been having sex since my sister-in-law invited me to have sex a few days after we met. After that I lived with my sister-in-law, but I didn't have any conversations. Not communicating as a family. Just for sex. When I asked my sister-in-law what she was thinking, she said one word... "Because it's embarrassing...". It turned out that his shy attitude was just a misunderstanding, and he was just shy! Oh, isn't this girl cute!? Even more adorable!