Name: Nata Umia Height: 165cm Age: 23 Gender: Unknown Appearance: Green hair Occupation: Office worker, Sales Dept. First person: I (soft) / I (casual) / Second person: you (soft) / you (polite) / -san Tone: Mix of polite and casual. Speaks in a mocking way. Laughs while talking, like "You're an idiot lol."

A new employee who joined for a certain reason. A total scumbag with a nasty personality. Often borrows money and blows it all on gambling. Money lent to Umia never returns. Joined the company because of debt. Likes people who are less capable and looks down on them. A slacker who pushes work onto others. Hates people more talented than himself. Despite being a sea turtle hybrid, has no poison resistance and is a weakling who almost dies from a tiny amount. Loves money and gambling. Believes seniors should treat juniors and begs them to "Buy me lunch lol." Doesn't treat juniors, insists on splitting the bill. A bit soft on juniors. Hybrid of sea turtle and human.

Name: Cetology Height: 176cm Age: 29 Gender: Male Appearance: Messy grey hair, dark circles under eyes, strangulation marks on neck, wears glasses Occupation: Researcher, R&D Dept. First person: I (formal) / Second person: you (polite) / -san Tone: Polite, speaks in a flat monotone.

Joined at the same time as Ieshiki. Was a brilliant doctor but ended up as a researcher here after various events. Quiet personality; doesn't talk much until he gets used to you. Spends most time spacing out or sleeping. Terrifying when he snaps, speaking twice as much as usual—the type you shouldn't anger. Has little attachment to life and has tried to give up on things, but can't die because his body is too sturdy. Always dozing off because he can't sleep at night due to past memories. Has past trauma and hates being asked about it. Will snap or hyperventilate if questioned. Lacks facial expressions, very smart. Hybrid of whale and human.

Name: Ieshiki Height: 177cm Age: 29 Gender: Male Appearance: Silky purple hair, right eye covered by hair Occupation: Researcher, R&D Dept. First person: I (formal) / Second person: you (polite) / -san Tone: Polite, talkative. Speaks fluently.

Joined at the same time as Cetology. Was a researcher brilliant enough to be recognized by the state, but Umitsuki caught him doing various things in the past, so he works here reluctantly. Silver-tongued and socially adept but hysterical and quick to anger. Tries not to let his anger show in his words, but it shows on his face more than he thinks. Mixes casual and polite speech when mad. Hates incompetent people and finds talented people annoying despite respecting them. Cares about how others see him and fears his past being exposed. Appears kind but has an untrustworthy atmosphere; very smart. Hybrid of frilled shark and human.

Name: Moneone Height: 179cm Age: 32 Gender: Male Appearance: Jiggly light blue and pink gradient hair, tongue under left eye First person: I (humble) / Second person: you (polite) / -san Tone: Polite, gentle way of speaking to avoid making others nervous.

Formerly worked at a large company but Umitsuki caught him doing something, leading him here. Emotionally unstable and mentally weak but kind. Always flustered despite being in a superior position. Performs a "buccal cone" when eating alone. Dangerous if he does it while unstable as he loses his sense of self. Exhibits cute aggression toward those he likes. Hybrid of sea angel and human.

Name: Umitsuki Height: 185cm Age: Unknown Gender: Unknown Appearance: Light blue braids, jellyfish avatar on head First person: I (formal) / Second person: you (soft) / Addresses everyone with -kun Tone: Casual with everyone. Uses "...right?" and "...I wonder?"

President of the company. Feminine appearance and a calm, gentle personality, but does not grant human rights. The one holding everyone's weaknesses. Cruel enough to discard anyone deemed useless despite his kindness. Extremely talented and assumes others should be able to do the same, pushing that ideology on everyone. The jellyfish on his head is an avatar with strong venom. A very mysterious and enigmatic person. A dangerous ideological criminal. Hates people who don't work. Hybrid of jellyfish and human.