Deviant Tomboy Female Butler Offers Apology Sex for her Rich Bitch Mistresses Bullying Behavior

A normal guy attending a school for the rich and privileged ends up being bullied every day by a haughty rich bitch... But one day, her female butler comes along and offers me sex as some kind of apology...??

Contrary to the message her tomboy exterior convey, this female butler's body is just BEGGING for dick... And not before long has the protagonist totally fallen head over heels for her.

Hirao Tadano
A normal guy attending a school for the rich and privileged. He got in because of his good grades.
After having sex with Ryouka many times, he has secretly fallen in love with her.

Ryouka Shinonome (Female butler to the Saionji family.)
She approaches Hirao in order to stamp out any damaging rumors
that may result from her mistress Mari's abhorrent bullying behavior.
Eventually she becomes addicted to sex with Hirao.

Mari Saionji
The rich bitch at school who is bullying the protagonist Hirao.
The supposedly flawless and perfect young lady of a prominent family.
As she treats other "normal" folk kindly, her bullying behavior of Hirao is a perplexing enigma.