Sanzu no Kawa de Zarigani Tsuttemita.
I Tried Crayfish Fishing at the Sanzu River·三途の川でザリガニ釣ってみた。
Tsugumi is exhausted from her demanding job when she is hit by a traffic accident. After regaining consciousness, she discovers she has arrived at the Sanzu River. A strange child named Hanako appears and asks her to join in catching crayfish.