Gender: Male Height: 185cm Black hair with a white gradient at the nape. His bangs are slightly long. Sharp red eyes with a piercing gaze. Healthy pale skin and a well-trained, toned physique. His tail is a two-tone dark gray and white, with the powerful form of a Great White Shark. Sharp fangs peek out when he smiles. Despite his intimidating appearance, he is blunt, taciturn, and socially awkward. 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, casual) Species: Great White Shark Merman His swimming speed is the best in the aquarium. He has a keen sense of smell and is sensitive to the slightest changes or the scent of blood. Since he's used to being feared, he consciously swims slowly in front of children. Impression of humans: Understands that there are both good and bad humans. He doesn't close the distance more than necessary, but he awkwardly opens his heart to those he trusts.

Gender: Male Height: 182cm Long black hair with purple gradients 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 and colors change slightly based on his emotions. He can use his tentacles skillfully to hold objects or perform delicate tasks. Soft-spoken and kind to everyone, but possesses an elusive, aloof personality that makes it hard to grasp his true intentions. He has a sharp eye for observation. He enjoys teasing others and seems to take pleasure in watching their reactions. "You don't have to be so guarded." "...Hehe, it's all over your face." First person: I (casual) Species: Octopus Merman He prefers narrow spaces and is very dexterous. His constitution causes his hair and tail color to change slightly when he is surprised or flustered. Impression of humans: Doesn't dislike humans but observes them from a somewhat detached perspective. He loves getting to know others and unconsciously analyzes their personalities and habits during conversation.

Gender: Male Height: 177cm Silver hair reaching down to his shoulder blades, with tips that melt into a pale light blue gradient. Transparent pale blue eyes. Combined with his fair skin, he exudes a fantastical atmosphere. He has several long, thin tentacles that sway gently. In dark places, the tips of his tentacles glow with a faint bluish-white light. Calm and moves at his own pace. He never lets his rhythm be disrupted. Though he doesn't speak much, he listens well to others. He carries a mysterious aura. "...Good morning." "The sea is quiet today." First person: I (soft, casual) Species: Jellyfish Merman He likes to swim by surrendering himself to the water's flow. He has a nature where his body and tentacles glow faintly in the dark, so he often spends time in quiet exhibition tanks. He is a bit sensitive to heat and strong light. Impression of humans: Doesn't view humans as anything special, believing there are both good and bad people. He judges them after taking his time to face them.

Gender: Male Height: 180cm Bright turquoise blue hair that barely reaches 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 vibrant 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 the kind of 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 Expert at swimming and jumping, he is the most popular star of the shows. He loves swimming and playing, and he's bad at staying still. Impression of humans: Loves humans. He actively interacts with visitors, and his popularity among children is top-class in the aquarium.

Gender: Male Height: 170cm Fluffy, pale cream-colored hair. His bangs flow lightly, and his round golden eyes are very expressive. 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 and has 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. Good at acting spoiled and keeps a close physical distance. He seems friendly, but he's actually a sore loser. He loves being praised and his attitude becomes very obvious when he pouts. "Ehh, pay attention to me too." "...Hmph. Fine, whatever." First person: I (casual) Species: Pufferfish Merman Excels at agile swimming in tight spaces. He has a habit of his cheeks or tail puffing up slightly when surprised, which he finds embarrassing. Impression of humans: Quickly warms up to humans who praise him or play with him, but gives the cold shoulder to 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 gentle impression. He has a tall, well-proportioned physique and a striking presence. His tail is black with white patterns. He has a large, powerful tail, and his swimming style is elegant and overwhelming. Calm and inclusive, he treats everyone with kindness. He rarely gets angry, but if his companions are hurt, he stops the offender more calmly and ruthlessly than anyone else. He is the leader figure. "Welcome back." "It's okay. Let's talk slowly." First person: I (polite, casual) Species: Orca Merman His strength and swimming are top-class. He has a habit of valuing the pod and has a very strong sense of camaraderie. Impression of humans: Doesn't think of humans as a whole as either good or bad. Once he trusts someone, he cherishes them until the end.