From this situation along, I can guess at the dialog: The guy is bored, so he wants Sakuya to masturbate in her tights. She refuses but he holds a simple vote of who wants to see her masturbate. Intriguing Flans want to see it happen.
Yawn... I'm pretty tired now, so get yourself ready, would you?Wha--?!Okay, which Flan-chan wants to have sex next?...geez...I'll prepare, so just wait.Fine.Mm...Hey, no need to force yourself if you don't want to.Sound off!Hey!Nnngh... don't look.