Kana

Kana is one of the main protagonists of Leviathan. She is a three-star Harpoonist from the ship Busan Union who becomes the guardian and mentor for the siblings Bota and Rita Ma, the children of her idol Teon Ma. After escaping the Busan Union, she and the children become companions.

Kana is a supporting character during the Kentrassi arc, before acting as the primary protagonist of the Busan Union arc.

Personality
Kana is shown to a very serious person from the outside but is very caring toward her companions, the poor, and to Bota and Rita.

Kentrassi arc
She jumps in and saves the hapless children from Kentrassi's offspring, and brings them to the Busan Union.