HUNTC-113 我的继妹正在成人VR里自慰，完全没有防备！她分不清现实和虚拟现实，所以无论我做什么她都毫无察觉，于是我趁机偷偷插了进去！

When I went to return the manga I borrowed to my sister-in-law, she was in the middle of masturbating with VR goggles on! What’s more, she was so engrossed in playing with her crotch that she didn’t even notice me standing right in front of her! Furthermore, even if I secretly touched her breasts or played with her vagina, she didn’t notice at all because it was synchronized with the VR! I got carried away and inserted my hard cock into her, thinking that she hadn’t noticed! It felt so good that I came inside her! Then, her VR goggles shifted due to her intense thrusts…