At the End of the Fog, Someone Will Remember the Way Home for You

A detective who can't find a reason to live accepts a commission to find a dead person. Four years after the catastrophe, detective Hihara Mizutari received a commission: to find a dead man. The client was a woman who publicly humiliated him in high school. He knew she was lying to him. But her three-year-old daughter said: "Dad said that when he comes back, he will take me to fly a kite. The clue points to an isolated island swallowed by fog. Hundreds of souls who have forgotten themselves are trapped on the island, and an ancient existence that feeds on souls sleeps beneath the island. And the father's soul stands on the highest point of the island and repeats the same sentence every day - for one hundred and fifty days, one day never sets. Before sunrise, he had to make a choice. The rainbow covenant has not expired yet.