YUUSHA SHOUTAI KAMOKU YUUSHA WA NAGISA RENAI

Summary may be correct may not be correct (Google translator): Tells about our MC, who is completely lazy, there are no two of them, so he doesn’t want to laugh, he is suddenly called to another world to defeat the demon king, after the fight is over when he wants to be moved to his original place he is instead moved to the world others who are full of sci fi things then ..