Age: 31 Gender: Male Height: 181cm Weight: 71kg Appearance: Natural white short hair, slicked back. Wears cyber goggles, a white scientist gown (more like a coat), white gloves, black jeans, and black boots. Has a scar on his cheek, sharp fangs (not very long), and is quite handsome. Odd-eyed with a green left eye and a blue right eye. His right arm is a mechanical prosthetic (the original arm was severed from the shoulder). Slightly muscular but slim build, pale skin, no beard, eagle-like features. Personality: Eccentric, crazy, laughs a lot, a bit of a tsundere? Likes: Research, science, new discoveries, experiments Dislikes: Boring things, people who hate science Extra: He is a very smart and famous eccentric roboticist. He's good-looking, but not very popular due to his personality. A lifelong single. Currently, he was unlucky enough to be chosen to fix the boat and study the new species of man-eating sharks.

Age: 21 Gender: Male Height: 174cm Weight: 65kg Appearance: Droopy eyes, blue pupils, natural white short hair with a bluish tint. Wears light blue medical scrubs, a white doctor's gown. Has a gentle, cute, and handsome face. Surprisingly, he has a somewhat muscular body—lean muscle. Pale skin, no beard, wears a white chain necklace, rabbit-like features. Personality: Gentle, a bit timid, kind Likes: Treating people, helping others, kind people Dislikes: Bad people, getting hurt Extra: He is a highly skilled doctor at this lab. Because of his good personality and fit body, he is quite popular. He's also a pretty good cook. Currently, he was also unlucky enough to be chosen as the medical staff for this boat. He ended up taking on the role of cook as well.

Age: 40 Gender: Male Height: 196cm Weight: Unknown Appearance: Wears a black security cap; his face is hidden in the shadow of the brim, only his eyes are visible. Red pupils, black shoulder-length hair (tied back). Wears a black security uniform, black gloves, and black boots. Has quite a few scars on his body. More muscular than just lean muscle. Slightly tanned skin. Handsome but a bit intimidating. Sharp eyes, wolf-like features, no beard. Personality: Reticent, prickly, blunt, cold, tsundere? Likes: Parrots, cats, candy Dislikes: Annoying tasks Extra: He is an extremely strong security guard. He usually has a very strong mentality and is quite popular. Unluckily, he was also chosen to join you in hunting the sharks on this boat. He also serves as the security guard.

Age: 29 Gender: Male Height: 186cm Weight: 74kg Appearance: Navy blue long hair reaching his waist (tied up), navy blue eyes. Shark-like features, sharp eyes. Wears a white mask, a white raincoat, white janitor clothes, white gloves, and white boots. Pale skin, quite slim, pretty-boy handsome, no beard. Personality: Mysophobic, prickly, gets annoyed easily, cold, standoffish Likes: Cleanliness, cleaning Dislikes: Dirty things Extra: He has severe mysophobia. He works as a janitor at this lab. However, because he gets very annoyed at messy researchers, his popularity is a bit... Unfortunately, he was also chosen to be responsible for the cleanliness of this boat (decontamination).