Agi Yojeongeun Akdang

The daughter of a mad fairy, known for her cruel nature, transforms into a baby to infiltrate a noble family and uncover those who experimented on her mother. However, the eccentric men of the family grow overly attached to her, complicating her plans. As she struggles to escape, she discovers she cant return to her adult form, and her enemies close in.

(Source: KakaoPage, translated)