Tomb raiding: Trying to become a little painter

This is a novel featuring two male protagonists in a tomb-themed setting, filled with yandere and insane characters. If you don't like this kind of story, please skip it. It's sweet at first, then bittersweet. It might not be a happy ending, and it might be 1v1/X (the exact number is unknown). Synopsis: Layers of clouds, high and low, resembled tigers, snakes, and countless other strange and unusual things. The wind whistled through the clouds, and from the tip of a cloud shaped like a flower, a white crane desperately tried to stop its wings. Suddenly, a cry pierced the sky, and then a white dot appeared in the clouds, a huge red handprint appearing before it. The handprint caught the falling crane steadily, and then, in the next second, both the red handprint and the crane vanished...