Emi Yawai thought that her daughter Ema was having a hard time, so she occasionally went to check on her three grandchildren. Because "Ema" is not very interested in child-rearing. It's called letting go.

Then, Ema's husband dies in a sudden accident. Since then, Ema has become more uninhibited and has started to put herself first in her life. It's no wonder she left his three young children at home and went out at night. As a result, "Emi" is taking care of her grandchildren. This includes financial assistance as well as general housekeeping.

Fortunately, the grandchildren are trying to help each other out and support the economy and household chores. Then one day...

"Oh, my God, what's that smell? ......"

On garbage day, I notice the smell of semen coming from the garbage bag and explore it a little. Oh, I knew it.

The source of the smell was quickly discovered. A lump of tissue, rolled up to hide it. At that moment, an idea popped into Emi's head.

'They're men, too ... and there are things only I can do for them."

This is how "Emi" was able to give her grandchildren a...