After talking with her brother, high school student Arisa Minase awakens in an unfamiliar world. Twins, Light and Shadow, greet her, calling her "Alice" and insisting she's found her rightful home. Despite Arisa's denial, the strange beings dwelling in the realm reject her claims. It's revealed that Arisa is trapped in Wonderland with no known way out by the mysterious Black Rabbit. While exploring the bizarre world, she meets unordinary creatures like the Cheshire Cat and the sluggish Round, the dormouse. As she goes further into Wonderland, things become even more peculiar. The individuals she encounters remind her of people from her former life, though none of them remember their past. Every day seems like an endless cycle that repeats perpetually. Arisa must solve Black Rabbit's mystery and escape the loop; otherwise, it will never end.