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Tsukasa, Nadeshiko, and Mikage have been inseparable since they began junior high, but Tsukasa has a secret she's been keeping from her best friends–she actually has a big crush on Nadeshiko! Not wanting to risk their friendship, she planned to keep it a secret forever, but when Tsukasa learns that Nadeshiko has a crush on Mikage, her desire to support her friends now conflicts with her own feelings. First love blossoms in unexpected ways for these three young women and their circle of friends.
Teachers are entrusted with the sacred duty of guiding and protecting their students—but not undercover assassin Mr. Solo. In a world where magic users and non-users coexist, he walks a solitary path as the wizard hitman "Number Zero." His latest mission: pose as a magic instructor for the unruly, bottom-tier, second-year students of Class D. To complicate things, he's saddled with a new partner—a transfer student with the same deadly assignment. As they pursue dangerous student targets, unexpected twists arise in this exciting magic school fantasy!