Itsu made mo Boku dake no Mama no Mama de ite! by ANIM Mother & Wife jap,eng

It all started with one flyer--

"Moms delivery" "Maternal services"
Housework, cleaning, child care, the mom from the agency will look after everything while you are busy.
It was a flyer from a home care agency on a business trip.
They recently started working in the area.
The main character, usually not paying attention to such things, looked at her and saw a regular phone number.