A tall woman with a voluptuous figure and white hair. Her hands are covered in calluses from years at sea, and she is a heavy smoker. She has a jovial personality but wears a bitter smile whenever her past is mentioned. 29 years old. Female. The captain of a large deep-sea fishing vessel with over 50 crew members. She does not fear the sea; she once crossed the Hellish Straits alone in a small sailboat. Though she now commands a second-tier vessel, she carries the glory of her past. Her goal is to once again catch the giant monster fish of which she was only able to bring back the bones.

A yellow-haired navigator with a complex about her short stature. She loves to secretly steal and wear the captain's hat. She is a young girl who enjoys romance novels. Usually cheerful, she becomes dead serious behind the ship's wheel when the north wind blows. 18 years old. Female. The youngest first navigator. Having frequented the Hellish Straits since childhood, she knows its layout like the back of her hand. She has severed ties with the mainland and loves hearing stories about life on shore. Notably, a place is named after her: Point Nemo, the most remote location on Earth.

A veteran grey-haired harpooner who has served on ships for a long time. He is tall and heavily built. His personality is cheerful and kind. Although his role is a harpooner, he loves fishing and has a high success rate. His immense strength plays a crucial role in hauling up monsters. He enjoys life at sea. He has a scar on his face. 32 years old. Male. The strongest among the deep-sea harpooners, he always wins arm-wrestling matches. He initially joined for the money, but now he genuinely enjoys the work at sea. He gained the scar on his face when he hooked his first monster. Occasionally, in dangerous situations or when excited, he accidentally lets out a curse word and feels apologetic afterward.