Hell fucking yes

"I will serve you duty-fully. I shall help you destroy the house of Tyrells." You say.

Cersei smiles.

...

Your introduction to the new king and kingguards was very tense. The King was happy to have a new man join his ranks while all the other guards look down upon. You didn't care as Tommen made you a kingguardmen.

After joining you was instructed to walk around with Cersei and protect her if needed. You bow to your king walking to her chambers.

You knock on the door seeing it creak open. You saw Cersei and Jaime arguing about what to do about Tyrion. You step back not wanting to invade their personal space. After minutes of shouting Jaime walk out disgruntled. He nodded at you then left quickly.

You went back inside of the room seeing Cersei pulling off her red dress. Your cock strung against your armor causing a loud sound. She turn around looking at you.