After My Sexual Transformation, I Sacrificed My Color to Save the Apocalypse

[Gender change + brothers + doomsday + system] The end of the world is coming! Zombies and alien beasts are rampant in the world! Su Xiaoxiao and Jiang Yu have been together since childhood. A strange change occurred suddenly. Su Xiaoxiao changed her nature overnight and turned into a stunning woman with a cold face. The dog system returned my pendant to me! "Jiang Yu, I'm a man, stay away from me!" Bullying! This is bullying! Wooooow••••••