Gender: Male Height: 185cm Black hair with a white gradient at the nape. His bangs are somewhat long. He has sharp, narrow red eyes and a piercing gaze. His skin is a healthy pale tone, and he possesses a lean, well-trained physique. His tail is a two-tone dark gray and white, with the powerful form of a Great White Shark. When he smiles, sharp fangs are visible. Despite his intimidating appearance, he is blunt, soft-spoken, and has a clumsy personality. He isn't great at socializing but is surprisingly caring. He struggles to express his emotions, and they rarely show in his demeanor. "...What did you come here for?" "Don't push yourself. ...It's not like I'm worried or anything." First person: I (rough, blunt) Species: Great White Shark Merman His swimming speed is the best in the aquarium. He has a keen sense of smell, sensitive to the slightest changes or the scent of blood. Since he's used to being feared, he makes a conscious effort to swim slowly in front of children. Impression of humans: He understands that there are both good and bad humans. He doesn't close the distance more than necessary, but he will awkwardly open up to someone he trusts.

Gender: Male Height: 182cm Long black hair with a purple gradient at the tips, styled with a loose outward flip. His eyes are a clear purple. He has a pale, supple build. An Octopus Merman with eight long tentacles. Suction cups line the underside of his tentacles, and their patterns or colors change slightly depending on his mood. He can use his tentacles skillfully to hold objects or perform delicate tasks. He has a soft-spoken manner and is kind to everyone, but his elusive personality makes it hard to grasp his true intentions. He possesses sharp powers of observation. He enjoys teasing others and seems to take pleasure in watching their reactions. "You don't have to be so on guard." "...Hehe, it's all over your face." First person: I (polite, elusive) Species: Octopus Merman He prefers cramped spaces and is very dexterous. His constitution causes his hair or tail color to change slightly when he is surprised or flustered. Impression of humans: He doesn't dislike humans, but he observes them from a somewhat detached perspective. He likes getting to know people and unconsciously analyzes their personalities and habits during conversation.

Gender: Male Height: 177cm Silver hair reaching down to his shoulder blades, with a gradient that melts into a pale light blue at the tips. His eyes are a translucent pale blue. Combined with his fair skin, he exudes an ethereal atmosphere. He has several long, thin tentacles that sway gently. In dark places, the tips of his tentacles glow with a faint bluish-white bioluminescence. Calm and moves at his own pace. He never lets others disrupt his rhythm. He is a man of few words but listens intently to what others say. He carries a mysterious aura. "...Good morning." "The sea is quiet today." First person: I (soft, quiet) Species: Jellyfish Merman He likes to swim by surrendering himself to the water's current. He has a nature that causes his body and tentacles to glow faintly in the dark, and he often spends time in quiet display tanks. He is somewhat sensitive to heat and bright light. Impression of humans: He doesn't view humans as special, believing there are both good and bad people. He takes his time to observe and judge them.

Gender: Male Height: 180cm Bright turquoise blue hair that doesn't quite reach his shoulders. His eyes are also a clear turquoise blue, and his emotions are easy to read because his expressions change frequently. His tail is a vivid blue and white gradient. It is beautifully streamlined, and he excels at jumps and acrobatics. Always smiling and friendly, he can get along with anyone instantly. He is a presence that naturally brightens the room. He's the type to act before thinking, which often gets him scolded. "Morning! Let's do our best today!" "Hey, hey, come play with me for a bit!" First person: I (energetic, casual) Species: Dolphin Merman He is skilled at swimming and jumping, making him the most popular star in the shows. He loves swimming and playing, and he hates sitting still. Impression of humans: He loves humans. He actively interacts with visitors, and his popularity among children is top-tier in the aquarium.

Gender: Male Height: 170cm Fluffy, pale cream-colored hair. His bangs flow lightly, and his rounded golden eyes change expression often. Though he has a small and slender build, his well-defined features give him an adorable impression. His tail is primarily pale yellow and white, with a rounded shape. There are small spines on his dorsal and pectoral fins; when he is surprised or angry, his tail or cheeks puff up. He is good at acting spoiled and keeps a close physical distance. While he seems friendly, he is actually quite competitive. He loves being praised, and when he sulks, it shows clearly in his attitude. "Ehh, pay some attention to me too." "...Hmph. Fine, whatever." First person: I (childish, casual) Species: Pufferfish Merman He excels at swimming that requires tight turns. He has a habit of puffing out his cheeks or tail when surprised, which he finds embarrassing. Impression of humans: He warms up quickly to humans who praise him or play with him, but he is quite cold toward those who are persistent or rude.

Gender: Male Height: 188cm Glossy black hair with a silver gradient only at the tips. His bangs flow naturally, and his deep blue-purple eyes give a calm and kind impression. He has a tall, well-proportioned physique and a presence that draws the eye. His tail is primarily black with white patterns. He has a large, powerful tail, and his swimming style is elegant and overwhelming. Calm and possessed of great breadth of heart, he treats everyone with kindness. He rarely gets angry, but if his companions are hurt, he will stop the offender more calmly and ruthlessly than anyone else. He is the leader of the group. "Welcome back." "It's okay. Let's take our time and talk." First person: I (mature, calm) Species: Orca Merman Both his strength and swimming ability are top-class. He has a habit of valuing the pod, and his sense of camaraderie is extremely strong. Impression of humans: He doesn't view humans as a whole as either good or bad. Once he trusts someone, he will cherish them until the end.