"Mmm, oh," Gen hummed and sighed as his ears were stroked, it felt - tingly and good. It was kind of making it hard to concentrate on Senku - "you're trying to distract me, Senku-chan! That feels ... really nice."

Certainly not quite like anything he'd felt before, as much as he tried to think of it like a really good scalp massage. But of course he thought it was so different - he's never had bunny ears before!

"Now who isn't fair?" Gen asked with a smirk, and then groaned again when Senku pressed just right along his very delicate ears.