The Secretary is Thirsty (R-18)

In a certain company, a certain shapeshifter secretary is always thirsting after his Boss's crotch but, is always rejected by his Boss.
So, desperate for what lies in any man’s crotch, he thinks of a plan to quench his thirst.
Meanwhile, the personal butler of the Boss’s younger brother, also has a similar plan. But his is out of jealousy for his master’s attraction to the secretary.
His plan, to the secretary’s delight, worked a bit too well.
But then again, whose plan really succeeded in the end?
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Butler: Just you wait! I’ll expose your slutty ass!
Secretary: By all means, go ahead.
Boss’s younger brother: I’m waiting for it.
Boss: ….What’s left to expose?

Author’s note: The main character is not fully human and can shift between male, female and intersex forms. And the explicit smut scenes will include his many forms. If you’re not comfortable with any of these, this story’s not for you.