Jade Bleu 
Bottoming for the Billionaire 3: Mina’s Promotion [EPUB ebook] 

I wanted a raise badly enough to let him punish me publicly for it!
I told my billionaire boss that I could handle whatever he dished out. He tested me out on that by seeing how good I was at obeying his orders—including taking his punishment and satisfying the sexual needs of several colleagues right in his office.
An erotic short featuring bondage, spanking, first time rear entry, DP, and exhibition with multipartner oral.