His wife's mother was Hiroshi OKUMURA.

it's been a year since my husband died... His daughter Mirai had only a few fun conversations with his mother, who was married and lived by herself, to see her face from time to time. However, he came to see the earth as a man and could not control the impulse in his mind, so he left him behind. The relationship between the two people who crossed the line has changed greatly, and each time they visit, their eyes become engrossed in the warmth of the earth. One day, Mirai, who was suspicious of the two people, came to the house.