SNOS-240 | My beloved girlfriend was a shared pussy in the office, opening her legs to anyone—my boss, my colleagues, my juniors... But... I was so pathetic that I got an erection out of frustration. Murakami Yuuka

Yuka, whom I dated at the same workplace, was a girlfriend I was incredibly proud of, almost too good for me.
She was beautiful, had a great figure, was cheerful, and got along with everyone...
She was exceptionally popular with the men in the company.

My annoying middle-aged boss, my close colleague, and the junior who had just joined.
She got along well with everyone, and I respected her for that...

But I had no idea what was behind her popularity.

Yuka was sleeping with all of them like crazy.

While I was swamped with work, she was having sex with the men at work so easily and happily.

"You should resist more... Why are you having sex so happily..."

I was frustrated. Frustrated. Sad. Painful.

And yet...

For some reason, my crotch was burning.
"I'm sorry for cheating on you."
"But why is your penis getting bigger?"
Ah, why am I erect...?