In a vivid dream, Alice Sakaguchi imagined herself as someone else residing on the moon, an experience which lingered in her thoughts. As it turned out, some of her peers were also plagued by similar reveries, leading them to uncover a shared past as scientists on the lunar surface. Eager to unearth further details, Alice and her companions embark on a mission to locate their former colleagues, but soon discover that the events of their former being still resonate and complicate their current existence.