Quick Wear: Thanks to me, you non-humans have successors!

Rare extraterrestrials are endangered extraterrestrial species, and are the focus of protection in the entire universe. They are a precious, irreplaceable, and non-renewable cosmic resource. In the 20000th era of the universe, the Endangered Extraterrestrial Species Protection Association proposed the Endangered Extraterrestrial Fire Plan. "Do you want to live?" "Who? Live, live!" - The first small world (newbie adaptation period): interstellar parasitic extraterrestrial husband. The second small world: magic alien world, undead race, headless skeleton monster. The third small world: plant world, vine tentacles. The fourth small world: the undead world, the three-headed dog of hell. The fifth small world: meeting a male succubus in a dream. The sixth...