As a child, Kamizaka Haruhi was saved by a mage, sparking a desire within her to become one herself. With this goal in mind, she enrolls into a unique school that separates regular and magic classes into distinct sections. Joining her is her best friend and biggest rival, Hiiragi Anri, as they both embark on their magical journey. Concurrently, Kamizaka Haruhi also searches for the boy who rescued her years ago, wishing to express her gratitude by presenting him with Valentine's chocolate.