Sleeping with My Boyfriend's Brother: Cheating Sex That Leads to Love

“I'll make you cum, over and over." Though forceful, the hands that touched me were gentle. He's my boyfriend's brother, so this was definitely a no-go, but once he touched my sensitive parts… my body started feeling good involuntarily…!
Hina's struggling to feel pleasure during sex with her boyfriend, which his little brother, Toru, discovers! Toru has always been cold to her, but that changes in an instant. With a bold smile, he comes close and tells Hina he'll make her feel good... Everywhere Toru touches feels amazing... Even as he takes her, even as relentlessly stirs her up inside, Hina knows she mustn't get swept away... and then Toru makes her cum! He's arrogant and teasing, but Hina can't read his expression as he asks her to choose him over his brother...