黄泉のツガイ | Daemons of the Shadow Realm | Tsugai : Daemons of the Shadow Realm | Underworld ke Tsugai | Цугаи загробного мира | Цуґаї потойбіччя | Song linh Minh giới

Set deep in a remote mountain village, young Yuru lives a peaceful life hunting and connecting with nature. However, his tranquil world is shattered when his twin sister, Asa, is summoned to serve—and effectively imprisoned—in a mysterious jail at the center of their town. Driven to understand her fate, Yuru begins to uncover the dark, unnatural secrets lurking just beneath the surface of his supposedly quiet home.

Daemons of the Shadow Realm (Japanese: 黄泉のツガイ, Hepburn: Yomi no Tsugai; lit. 'Pairs from the Underworld') is a Japanese manga series written and illustrated by Hiromu Arakawa. It has been serialized in Square Enix's shōnen manga anthology magazine Monthly Shōnen Gangan since December 2021. An anime television series adaptation produced by Bones Film premiered in April 2026.