Hotarubi no Tomoru Koro ni

Hotarubi no Tomoru Koro ni (蛍火の灯る頃に) is an horror manga series written by Ryukishi07 and illustrated by Nokute Koike. The story follows the Tadamura family as the family meets in the remote village of Hirasaka. The story is preceded by a short prologue entitled The First and the Last Gift.