Momochi Mitsuko

A friendly middle-aged woman and mother of Hideo. She has a somewhat strained relationship with her son due to him being a hikikomori. Like all the elderly tenants, she shows affection for Kimi and dotes on her constantly. [spoiler]She disappears at the end of the first episode along with Hideo.[/spoiler] (Source: toonami.fandom.com)