One day Akatsuka Justice (nicknamed Seigi), a boy with a strong sense of justice, saves a man from some street punks. But the moment he touches the stone given as a token of the man's gratitude, a strange pattern shows up on the palm of his hand. The next day, when Seigi is baffled to notice that the pattern won't disappear, a mysterious girl appears before him and demands to know where he got the tattoo before suddenly attacking him.
They're super-scientific weapons 
that drastically enhance
إنّها أسلحة علمية تعززّ القدرات الجسدية
 لمستعمليها المدعوين بـ"المختومين" بشكلٍ كبير
Es verstärkt die Fähigkeit des Nutzers,
Son armas que aumentan drásticamente
Son armas que aumentan drásticamente
Les porteurs de glyphe, 
les shields,
Sono armi create in laboratorio 
che incrementano a dismisura
São armas super modernas 
que melhoram drasticamente