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Muon Seishin. A British transfer student with mysterious traits and a scary aura that makes almost everyone want to stay away from her. With her doll-like stature and silent mood, every student in class three is convinced that she's the most mysterious person they've ever met.

Muon Seishin. A girl who used to be ordinary but had the unfortunate luck to be blessed/cursed by psychic powers. She's intrigued by Saiki Kusuo, another psychic like her; except he was 'naturally' born with powers.

Another natural born psychic in 1000 years. Is it a coincidence, or yet another fluke?