Kai・Sengoku Jidai ni Uchuu Yousai de Yatte Kimashita (Associated Names)

Kazuma, a veteran player of the Sci-Fi simulation full-dive VRMMO Galaxy of Planets, had logged into the game for the last time because it was about to be shut down. However, for some reason, he was actually sent to the real Warring States period Japan along with the space fortress Silvern and 120 organic gynoids…