Yorumori no Kuni no Sora ni

is a japanese 4-koma manga series written by Harikamo. It began serialisation in the special edition vol.1 of Manga Time Kirara Miracle before the March 2012 issue.

The series was released under 3 volumes from August 2012 to December 2013.

Synopsis
Yorumori, forest of the endless night where people come when they don't want to wake up. Yorumori, keeper of the forest sharing its name. One day, a girl with no memory and only a frying pan as a clue appears in the forest, but is immediately mistaken for someone nobody wants to remember. Being given a nickname Sorani, "accidental resemblance," together with Yorumori she tries to unravel her past while getting to know and helping other dwellers of the forest in this part comedic, part serious story.

(Source: MyAnimeList.net)