At The Edge Of The World summary:

In a new country, Yui starts a new life, but it is constantly interrupted by a strange and recurring dream every night: the end of the world. In this enigmatic dream, global collapse manifests as an imminent divine and apocalyptic event. Every time Yui dies in the dream, she wakes up in reality. Determined to unravel the mystery, she embarks on a mission every night to reach the end of the dream.