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Tsubaki lives a busy life as an honor student at Oka Academy, but her life takes a turn for the strange when a fantastical rumor turns out to be true... on her birthday, the girl leaps into her mirror and finds herself in a parallel world and face to face with herself, and in this world, Tsubaki is a boy named Kakeru! With Tsubaki preferring to spend time in Kakeru's reality than her own, meeting his friends and sharing meals together, the two embark on an eventful friendship.
Reimei Shijima who dreams of becoming a magical girl is admitted to the school of her dreams. However, she was assigned to the dormitory where the retired ex-magical girls live. The retired magical girls do not age, live forever, and have various regrets. Shijima's future is... !?