Kawaki

is a young man theorised to have some connection to Kara.

Personality
While much is unknown about Kawaki's personality and views, he is shown to be a sombre man with a detached and dark outlook. Seemingly despising shinobi, he is determined to end their era.

Appearance
Kawaki is a young man with grey eyes and bushy black hair, the sides of which are shaven and blond in colour, a tattoo of the Roman numeral "Ⅸ" under his left eye, a pair of piercings on his right eyebrow and a stud earring in his left ear. He wears a shirt with a sleeveless vest jacket with stripe patterns on his collar and dark pants with a studded belt. He has a Kāma on the palm of his left hand.

Later in life, he is seen wearing a violet infinity scarf and belt, white overalls with his chest exposed, and a black vest trench coat. His Kāma has spread across the right half of his face, chest, and arm, glowing red upon activation.

Ao Arc
After Team Konohamaru fought Ao and Kashin Koji, Kawaki was found unconscious by the shinobi near the Land of Fire's border, surrounded by several destroyed autonomous puppets. As they approached, Boruto recognised the Kāma seal on his left hand.

Flashforward
In the wake of Konohagakure's destruction four years after the Ōtsutsuki attack on the village, he and Boruto Uzumaki face off on the destroyed Hokage Rock, where Kawaki vows to defeat Boruto and tells him that the shinobi era is over.

Trivia

 * means "dry" or "parched".
 * Kawaki first appeared in a promotional illustration for the Boruto: Naruto Next Generations manga with a slightly different design, having slightly younger features and wearing a dark blue jacket over a pink shirt and white pants, with his back turned.
 * Kawaki's appearance on the cover of chapter 1 has him wearing a white jacket over a purple turtle-neck shirt with the tattoo under his left eye resembling a dagger instead of the roman numeral Ⅸ.

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