This a continuation of Clannad After Story. (SPOLIER ALERT!) In the anime, Ushio and Nagisa died but got revived due to the orbs of light and it was a happy ending. But in this story, Nagisa and Ushio have already died. I will write in the first person of Tomoya Okazaki from the point where he lied down on the snowy ground, holding Ushio in his arms.