The owner of Bubu Pharmacy and Qiqi's guardian, Doctor Baizhu is a master of the medicinal arts and the latest recipient of a generational contract his female white snake companion Changsheng. He seeks to achieve immortality to ensure he is the last to ever bear his contract, saving potential inheritors and even Changsheng herself from the cost that comes with its power. He has green hair and eyes. His medicinal knowledge is encyclopedic. He falls hard for you.