In the Eiyuu*Senki, Ooyari Ashito designed moe versions of Oda Nobunaga, Napoleon, King Arthur, Vlad the Impaler, Aristotle and Leonardo da Vinci serves as potential harem of heroines as you lead the armies of Zipang (Japan) towards world conquest. JAST USA has a PC release of the PC adult version of the strategy game planned, and celebrates with a trailer post.
Eiyu*Senki - The World Conquest - (PC Release Trailer)