Meng Bao Yi Xian San Sui Ban

Xuan Tianji, the most famous alchemist in the immortal realm, had an accident with the Sealing System, and it turned her back into a little girl. Now her childhood friend, ex-boyfriend, apprentice, and rival are all looking for a missing "woman." Instead, they find themselves playing the role of "daddy" instead. (Source: Tencent, translated)