Tower Defense: Others Build Towers, but You Play as an Angel to Develop Them?

[Tower Defense + System + Doomsday + Game Invasion + Funny] The earth was invaded by a mysterious tower defense game, and the world entered the tower defense era. After reaching the age of 18, humans will enter the tower defense trial space for trials. After successful trials, they will become tower defense lords. Lin Hai activated the disordered tower defense system at the beginning, and his style gradually began to deviate. Cemetery Shopping, Greedy Treasure Chest, Food Tower, Fallen Angel, Cemetery Exchange, Quick Question and Answer Tower, Seven Days Off, Buying List Tower, Pointing Knife Tower... When Lin Hai evolved an arrow tower of ordinary quality into a fallen angel of legendary quality, he looked at the fallen angel that was no different from a real person and was extremely beautiful, and his face was full of doubts: Is this still a defense tower?