Basic Rules of Mending the Sky

That day, dangerous gray matter cast a fog of death over the city. In order to resolve the crisis, Yun Danshui and her mysterious friends accepted the mission to mend the sky and entered the dangerous campus and mountain village... When she was a child, there was an elm tree planted in front of her door, but no one except Yun Dan Shui remembered it. The plum candy that soothes the mood, the warm aura around him, the powerful healing ability, who is he who is full of mysteries? Purpose: Adhere to materialism