Episode 3 of The Angel Next Door Spoils Me Rotten (Season 1), titled "," focuses on the introduction of Amane's mother and a significant shift in the personal relationship between Amane and Mahiru. Key Plot Developments

: Mahiru is deeply touched by Shihoko’s warm and motherly treatment. Shihoko encourages their closeness and is pleased to see they have reached a level of comfort where they use each other's first names.

: The episode sets up future conflict when Amane's friend Chitose pushes for a pizza party on Christmas Eve. Feeling guilty that Mahiru might spend the holiday alone, Amane invites her to spend time with him playing video games once his friends leave.