The Otaku in 2200 A.D., Part 1 by Nagashima Chousuke
Unlucky at love and with nothing going his way, Ota's world is turned over when he's magically transported into the future to a world where men are a commodity. Surrounded by nurturing, big breasted cyber-women with seductive banging bodies, Ota's going to have his hands full rewriting the history of sex!