Hideo Kojima expressed on his Twitter the game he really wants to develop on his Fox Engine.
As we’d expect, the one game Kojima would want to make on his new FOX Engine would probably be the officially announced Metal Gear Solid 5. However, Kojima looks to have another inspiration. Translated by Andriasang.com, Kojima mentioned that, after picking up a manga titled Joshi Kouhei, he really wants to develop a game version of it. Included with his tweet was a picture of the manga cover as seen below:
The manga on the right is called Tadashi Hirose’ Cis, but he only mentioned an interest in Joshi Kouhei, as depicted on the left.