Superdimension Neptune VS Sega Hard Girls (超次元大戦 ネプテューヌVSセガハードガールズ 夢の合体スペシャル,Cho Jigen Taisen Neptune VS Sega Hard Girls: Yume no Gattai Special, lit. Super Dimension War Neptune VS Sega Hard Girls: Dream Combination Special) is a crossover game between the Hyperdimension Neptunia and Sega Hard Girls franchises developed by Felistella for the Playstation Vita. IF and new character Hatsumi Sega are the co-protagonists of this game.
Sega Hard Girls is a similar franchise that also turns Sega consoles into moe characters. It is a Japanese multimedia project which was adapted as a light novel and into the anime Hi☆sCoool! SeHa Girls.
