PS Vita Hyperdimension Neptunia VS Sega Hard Girls debut trailer Gamindustri meets the Sega consoles on November 26. Compile Heart has released the debut trailer for Hyperdimension Neptunia VS Sega Hard Girls: Dream Fusion Special. The game stars IF-chan alongside new character Sega Hatsumi, who travel back in time to Sega-based eras to recover lost history.Hyperdimension Neptunia VS Sega Hard Girls: Dream Fusion Special is due out for PS Vita on November 26 in Japan. Watch the trailer below. If you missed it, catch the opening movie here.