Reborn

As the world's most powerful Arcobaleno, this legendary infant serves as the elite home tutor for Tsunayoshi Sawada. Clad in a signature black suit and fedora, he is rarely seen without his shapeshifting chameleon, Leon, perched on his hat. Known for his iconic "Ciaossu" greeting and his yellow pacifier, this deadly hitman brings unparalleled skill to his training sessions, guiding his student through the intense world of mafia combat with unmatched expertise.