A secret between my friend's mother and the two of them. Forced sex with an auntie inside her...

"I got excited because of Kana. Please take responsibility..." Tanaka, who had come to visit her friend Morisawa's house, had long admired Morisawa's mother, Kana. Attention to Kana, who is so beautiful and kind that she gets fascinated by every time they meet, Tanaka secretly leaves the room to take a look at Kana's situation. There, Tanaka learns an unexpected secret, and uses his weakness as a shield to approach Kana...