Petit Novel Series: Harvest December

Tagami, a town of heavy snowfall.
In this village is the commonplace idea of the existence of God.
Due to his parent's situation, Konno Masaki moves into this village.
But on the same day, he is ordered by Shiro, the God of Tagami, to become her husband.
Overwhelmed, Masaki accepts, and on the following day transfers to his new school.
Yuki, the daughter of a family that wields the utmost power in Tagami, falls in love with Masaki on first sight and confesses.
Once again, Masaki accepts.
And so starts a strange relationship between a god and a human, two girls and one guy.
Surrounded by new friends, he experiences days filled with bliss.
However, just as he was becoming accustomed to his new life, Yuki makes a suggestion.
"I want to make a child with you."
With this one line, their lives drastically change.