WANZ-950 _Mistaking my sister-in-law as my girlfriend and the ending

There was a conflict with her husband, so Ai left angrily and had to stay at her lover's sister's house for a few days. Here, an ironic case happened when her younger sister accidentally lent her sister the exact same outfit as hers. While his body was full of sexual energy, as soon as he opened the door, what caught his eye was a very sexy position showing off his lover's butt. Unable to stand it, his boyfriend quickly stuffed his penis inside. Only then did he realize that this was his sister, not his lover, and he couldn't blame him because their clothes were too similar. But things didn't stop there, he continued to make a mistake again while his sister had just finished bathing, this time it seemed to have awakened her sexual instincts. That night, she took the initiative to find him and forced him to satisfy her once more, from then on, a series of secret dates between the two of them began.