Taboo Tattoo

Seigi is a middle schooler trained in martial arts who frequently feels compelled to defend those weaker than himself. One day, he intervenes to protect a homeless man from a group of troublemakers, and in gratitude, the man tattoos a strange symbol onto Seigi's palm. The tattoo is a classified weapon developed during the arms race between America and the Serinistan Kingdom. Seigi soon finds himself in over his head when a powerful girl, also wielding the same secret weapon, aggressively pursues him to reclaim it. Though skilled in martial arts, he may not be able to survive without learning how to activate the power of his tattoo in time.

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