Tomoru Koro ni
Hotarubi no Tomoru Koro ni ( is a manga written by 蛍火の灯る頃に When the Fireflies Glow) Ryukishi07 and illustrated by Nokuto Koike. It was serialized in Gekkan Action from March 25, 2016 to February 24, 2018 and was later collected into four volumes.
A prologue story named
, which features characters from The First and the Last Gift , was included in the book Umineko no Naku Koro ni published on December 18, 2015. Notably, this title was called the "latest work in the '~Koro ni' series", its logo is in the same format as those of the main titles in the Umineko no Naku Koro ni: The First and the Last Gift , and the When They Cry franchise dusk jacket of the second volume features Bernkastel. On this basis, this wiki considers this title as a spin-off of the Umineko series.
Main article: Hotarubi no Tomoru Koro ni/Plot Summary
Chapter 0 of the manga was published on the December 25, 2015 issue of
Gekkan Action; while it wasn't included in the book volumes, it is available for free on the official site.
September 12, 2016
Coming Back Home
March 11, 2017
September 12, 2017
April 12, 2018