It's been half a year since my child was born. Instead of my wife who works as a career woman, I was busy with housework and caring for my children as a full-time housewife. One day, in the nursing room of the shopping district I stopped by while shopping, I met Hinami-san with a baby like myself. He is a kind person who cares for me who is not used to it and lends me a diaper wipe, but he is somewhat defenseless like a child-rearing mom. I knew I shouldn't look at her, but I couldn't take my eyes off her breastfeeding ...