sentences:  The Arcobaleno (which means "rainbow" in Italian) is the group of the seven strongest infants, who each possesses a pacifier colored as one of the colors of the rainbow, with each color corresponding with their Dying Will Flame.Their pacifiers will glow when a member nears another Arcobaleno.They were all transformed from adults into their current forms, having sacrificed themselves in order to protect the ultimate power "7³" (Tri-Ni-Sette).