A diary of the deceased delivered to Yuji Kuki, who lives in Shinshu.

It was the relic of Yuji's great uncle, Sadaichi Kuki, who died at the end of the Pacific War, and it contained a strange obsession with life.

On that day, inexplicable events began to happen around Yuji, such as the destruction of the tombstone and the disappearance of his grandfather, and Yuji and his wife Yuriko decided to rely on Soichiro Hokuto, an expert on paranormal phenomena...