Mina is a housework robot specialaized in cooking. After some time of living with Takuma-sama, the two start acting as husband and wife.
Takuma bought her from "second hand" as he could barelly afford her.
At first, her behavior does not arouse interest. However, over time, Mina begins to show emotions such as displeasure or jealousy

Mina version MI07CL Class 2
Her Serial Number M114 - 4753 - 114
ID 02251
Manufactured 4 years earlier than anime events, 12 December with was set as her birthday by Takuma.

As later in episodes, she shared some informations about her model specifications:

- Her eye sensors have 13.7 million pixels each with a 5x optical zoom.
- She can submerge in water up to 2 meters deep and its waterproof rating is 8.
- She has the ability to communicate wirelessly with nearby Mina models.
Wireless communication is 400 times faster than verbal communication.
- She moves slowly due to limitation.
- A full charge is enough for 30 minutes of operation.
- She have a highly efficient solar power module (in the form of her long hair) that allows her to function indefinitely on sunny days.
- She have a chamber inside her abdomen that can be used for storing items as well as cooling or heating. In it, she can heat water up to 70*C
- She is heat-resistant from - 57 degrees celsius to 98 degrees celsius.
- She have much more internal memory than any Mina model