Starting from Blue Star, Saving Two Universes

[End Times] [Compact and Slow Tempo] [High Martial Arts] [Even More CP? (Daily update of 2-3 chapters, 6-9k words, updated around 8:00 to 9:00 pm❛‿˂̵✧) In AD 3964, Blue Star entered a period of disaster, and human civilization suffered heavy losses. Then, the sun goes out and the Ice Age comes again. The last survivor built an underground fortress "Star Sea Fortress" deep underground, waiting for the spacecraft sent to another universe to send back information about life. Five years later, the dilapidated spaceship returned, and the originally peaceful Blue Star experienced another change... "I'm very greedy. I want to save both universes." With this declaration, he launched another rescue plan. ——The fireflies are tiny and can reflect the stars.