Robo Maid Ga Kanjou Yutaka Ni Naru Hanashi

Chapter 7: My Expressionless Robo Maid Gets An Upgrade
Chapter 6: My Tone-Deaf Robo Maid
Chapter 8: My Expressionless Robo Maid Eats A Meal
Chapter 6: My Tone-Deaf Robo Maid
Chapter 8: My Expressionless Robo Maid Eats A Meal
This might or might not become serialized.Apparently, the name of the series is just "Robo Maid".