YHKT Entertainment

Two young people from different worlds put their differences aside and come together to form a dance group and win a championship in China.

In the not-too-distant future, the human world has long been overpopulated. Humanity marched to the stars in search of a new home, and just as this was going on, the moon's alignment caused massive earthquakes to ripple across the world, lasting several decades. Humanity was demolished. When the land finally recovered, humanity reemerged to face this strange yet familiar world. Will we, who once lorded over this domain, still remain the masters of this world? (Source: Yu Alexius Anime Portal)

Countless thin lines stretched across the starry sky, like a giant brush. The Trisolaran fleet would arrive in 400 years. A distant butterfly flapped its wings, altering Luo Ji's fate; behind the door that swung open lay the world's center—the Wallfacer Project. Meanwhile, within the Wallbreaker chamber created by the Sophon, the Wallbreakers took their places one by one… (Source: Bilibili, translated)

Heroes of old appear to return peace to earth.