FJIN-172 My friend's sister is a big-ass gal who's arrogant and slutty, but she's also a wimp. Kuro Sakuha.

She deliberately stuck her ass in my direction and shook it provocatively! My friend's gal sister was teasing me with her huge, unguarded ass, making me hard as a rock! I couldn't help but reach out, and then... an unexpectedly lame guy development!