When a massive alien flower known as "Darol" unexpectedly erupts in a deadly event, unleashing monstrous creatures that decimate the population of Japan, Rita is caught in the destruction—and killed. But then she wakes up again. And again. Caught in an endless time loop, Rita must navigate the trauma and repetition of death until she crosses paths with Keiji, a shy young man trapped in the same cycle. Together, they fight to break free from the loop and find meaning in the chaos around them.

Thirty years ago, aliens attacked Earth and nearly brought humanity to extinction. Since then, mankind has clawed for survival, fighting the invaders for land, and the UN established EXCEEDS, an agency to stave off alien threats. On a remote island in a world of chaos, young hunter Shiina yearns for a quiet life with her sister, Setsuna, but a single incident draws her into the larger battle.

A brilliant chancellor gets transported to another world but stays cool-headed. He teams up with Gil, a top independent adventurer, treating it like a vacation as they begin their easygoing fantasy journey.