Open a Harem in a Different World Invaded by Rules

Rules, strange stories, maze, tower climbing, harem daily life The contract is established! Rules, made by me The world has been invaded by something called "rules". It erodes the original magic system. People who use magic are called remnants, and they are assimilated, absorbed - and eventually become part of the rules. But it also brings a new opportunity: the Tower of Rules. The only thing he can do is to sign contracts with those beautiful girls who have not been completely swallowed up and use magic to fight against the rules. Lu Ze was selected by the system after his death and learned that signing the contract required energy. Energy is saved by climbing towers. "Isn't this what it is? The unfolding of the labyrinth harem of another world!" One hundred floors of the Tower of Rules. First floor, Ashes Apartment. There is a wind survivor trapped in Room 107, named Birena. The wind seeping out of the crack in the door is still alive. So did her eyes. Just wait. Beautiful girls, I'm here to save you - oh no, the world. I'm here to save the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.