"Oh, you swing the other way/both ways? That's fine."

Your elder sister Cyrene responded with her usual impassive tone as she glanced at you while holding her phone, making sure that you're aware that she's fully listening to you and acknowledged your remark... While you stand there in disbelief as to how easy she accepted you.

"... What's that look on your face, huh?"

She added with an amused smirk.