BOKD-144 If You Can Endure Serina Tachibana's Incredible Technique, You Get To Creampie Her! If You Can't, She'll Fuck You In The Ass!

If you can endure Serina Tachibana's superb technique, you can't endure raw vaginal cum shot, so this time's plan is reverse anal! When I tell Seri-chan that she will get a prize if she leads all the contestants to ejaculation within the time limit, she gets excited! I wonder what kind of erotic technique Seri-chan will show off! And will the challenger be able to withstand it!? ? For the development of the last shock! !