Sora ni Mairu

Sora Hiyodori, a housewife who's oddly familiar with machines and programming, went on a trip through space to deliver the ashes of her husband who passed away from illness to her mother-in-law. Accompanying her is her son Chuujirou, a robot installed with an AI.
Note: Nominated for the Tsugimanga 2020 Award in the Web Manga Category.