Yomi No TsugaiYomi no Tsugai; 黄泉のツガイ; Daemons of the Shadow Realm; Pair of the Underworld; Tsugai : Daemons of the Shadow Realm; Underworld ke Tsugai; Yomi no Tsugai: Pair of the Underworld; Цугаи загробного мира; Цуґаї потойбіччя; Song linh Minh giới; Song Mệnh Cõi Hoàng Tuyền

The manga centers on Yuru, a boy who lives in a remote mountain village, spending his time hunting birds and being one with nature. But one day, Yuru's younger twin sister Asa is called to serve in the jail at the heart of the village, her duty also confining her there. Yuru slowly unravels the unnatural mystery hidden beneath his quiet village.