Fortune Baby of the Marshal's Mansion: Maomao Arrives, Season 4

Xia Xiaoxiang's daughter and the mansion's emotional catalyst

She notices distress without respecting adult silence, so small acts of care trigger larger family change.

Maomao's mother and former rescuer of Marshal Lou

Her prior act of rescue creates entry to the mansion, but she must protect her daughter inside an unfamiliar hierarchy.

Maomao’s fourth brother, one of the first relatives she reaches; Marshal Lou’s son and Shen Zhaolin’s student

Previously withdrawn and disabled, the fourth young master has recovered from his leg injury and returned to middle school. He thinks Shen Zhaolin passed him over as editorial assistant because of a grudge against his father; Shen later explains his choice and recommends Asui’s fairy tale for serial publication.

Asui's teacher and the adult at the center of Maomao's declared break

He passes over Asui for He Mingshu, then apologizes once he learns of the misunderstanding and explains that he wanted to support a poor student with dignity. He also offers to recommend Asui's fairy tale for serial publication.

Student chosen by Shen Zhaolin

Shen Zhaolin chooses him over Asui, a decision the teacher later explains as dignified support for a poor student.

Asui's father; the marshal whose household takes in Maomao and Xia Xiaoxiang

His household shelters Maomao and her mother; Asui believes an old grudge between the marshal and Shen Zhaolin explains the teacher's choice.