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Adulterous sex at home until my wife and child find out ~ Was my childhood friend a frustrated married woman!?

"My brother Yang's cock... it's hard, manly, and gives me chills."
Akiho nuzzled her face between my legs and sucked on my erect cock.
If my family sees me like this...but I can't stop the excitement that's ignited in me.
"Hey, brother Yan...you can still do it, right?" "This is just...just once."
I was so excited that I couldn't stop myself from getting aroused. I spread her legs and inserted myself into her wet and glistening vagina.
--I went back to my hometown with my family for the first time in a while and met my childhood friend Akiho again.
We were like brother and sister when we were students, and we talked about the old days... and before long, the topic of conversation turned to our marital life.
And then we got horny, and we were just going through the motions....
At the time, I thought it was a one-time-only relationship, but when I returned to Tokyo, Akiho came to visit me...