TTKK/Does Karibu ask for Natsuki to help him?

Natsuki blushes and reaches out to his crotch as Karibu looks on in enthusiasm.

Natsuki- Don’t worry, I’ll make you feel good too.

Karibu- U… Um Natsuki c… can you u use your mouth.

Natsuki- *Giggle* Don’t worry all in due time love.

Natsuki shows a mischievous grin on her face and unbuttons his pants, and unzips him. She slowly shoves Karibu onto the bed and pulls his pants down showing a nice bulge in his underwear.

Does Natsuki rub him through his underwear?

Or does she take his underwear off and do something else?