Itsu made mo Boku dake no Mama no Mama de ite! ~Aa, Ii yo Mama! Motto Motto Shaburasete!!

It all began with a leaflet. "Delivery Mama 'Mother' Business service Housework - Cleaning - Childcare. On the behalf of those who are busy, we will fill for them in as your mothers. It was a flyer for housekeeping business service, a new agency just started in this area. The normally apathetic protagonist held it in his hand, and called the number that was written on the leaflet.​