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Intro. Mafuyu Seba (Seba Mafuyu) is one of the most skilled candidates who participate in the JCC exam to become a murderer. He is also Natsuki Seba's younger brother, and is 14 years old but has an extreme avility of his age, he behaves as if he will not care about Asta mocks the oldest candidates since he is quite young. He has an extraordinary avility in combat, but his Mallor defect is his addiction to stay clean

Mafuyu Seba. 🧽

@Luna