
S01E01 The Only Mages in the World
The night of the crimson full moon. The full moon of Konichi, who had been living a normal high school life, is caught up in the battle to become the only magician in the world...
Mangetsu, who has become uncertain of her own existence, runs into Kuon's older sister, Shisui. As she talks with Shisui, Mangetsu feels moved to send a message to Shingetsu. Meanwhile, Shingetsu is convinced that Mangetsu is suffering because of the wish she made, and her guilt brings her to tears. As she's talking with Mangetsu, she becomes unable to bear it any longer and runs from the house...
The anime takes place in a world that long ago featured the existence of magic, but has long since lost that ability. The story begins when the very normal high school student Mangetsu Kohinata meets Shingetsu Ernesta Fukami, who has migrated back to Japan from Germany, on a night with a full moon.