―そして昭和58年、事件が始まって5回目の「綿流し」の日を迎え、人か祟りか偶然か、またしても事件は起き、圭一の日常も「見えない何か」に浸食され始めるのだった…。The stage is Hinamizawa village the villagers of solidarity can be seen in the seemingly peaceful village and robust. Here Keiichi Maehara from the city comes moving. Everyday from it"s Keiichi had been sent a fun school life as a new school and friends but you have heard rumors of gruesome unsolved incident that occurred in the village in the past begin to rip. Five years ago in the summer festival of "cotton sink" the day that takes place in June every year one person died it occurred a mysterious incident that one person disappears. Then this strange incident is now occur every year in the village had been feared as a curse of God-Oyashiro like to be enshrined in Hiyokomi Sawamura.
- And 1983 incident began celebrating the day of the 5 th "Watanagashi" or person or curse or accident or incident also occurred everyday Keiichi also eroded to "something invisible." it was start of .... .