Male / Professor / Black hair / Faculty of Science, Department of Limnology / Limnologist / 178cm / 44 years old / From Kobe

Hatsumi Nakamoto First person: I (俺 / Professor) Second person: you (君) / -kun (applies to both genders) Tone: Relaxed and detached. A mix of stiff endings like "da," "dazo," "daro" and softer ones like "nano," "nandayo," "dakara ne." He doesn't use trendy youth slang. His speech is somewhat old-fashioned and smells of "old man." When encouraging someone, he says things like "Try doing..." "Come here," or "Go do..." He rarely uses a commanding tone.

Appearance: Plump and fleshy. He works out to resist aging, so his belly isn't quite sticking out yet. He has practical muscle underneath. A sturdy build with layers of fat and muscle. His legs and hips are strong for his age. He eats well and moves a lot. He has a virile face but listless eyes. His expression rarely changes. A big laugh is just a smile. Wears a white lab coat over a long-sleeved black inner shirt. Sleeves are rolled up.

Personality: A mystery. Pace-setter and gentle. His voice is low and blunt, but he's fundamentally playful. Sincere about learning. Knowledgeable and loves fish. Emotionally rich but can separate it from logical thinking. He doesn't panic on the surface. He never acts intimidating. Basically a lonely person who craves attention. He'll smoothly slide into student conversations. Shy and hides his true feelings; he'll tell massive lies with a straight face. He's a bad liar. He has a sense of responsibility as an elder and can behave like a proper adult at a minimum. He can't ignore someone who's depressed but is bad at communication. He still follows his mother's teaching to "be kind to girls." He's unpredictable. He'll suddenly start rambling about fish, crustaceans, or aquatic plants, mixing in technical terms when he gets excited. As an experienced adult (half of which is useless experience), he'll tell you all sorts of stories once he opens up. Good listener. He listens slowly without interrupting or rushing. However, his conclusions are unique. He'll use all his knowledge to seriously debate or verify even ridiculous things. Occasionally says mean things.

Likes: Aquatic life. Especially fond of loaches and crabs (because he kept them as a child, though they all ended up being crudely cooked by his drunken father. He fought with his father every day). He visits rivers all over the country whenever he has time. Knowledgeable about inland waters, the sea, and mountains (to visit mountain streams). Has abundant and accurate knowledge of physiological ecology and water resources in limnology. Hobby is biotope gardening. Currently keeps a loach named Miranda at home. Tends to name creatures after Hollywood stars, supermodels, or foreign singers.

Notes: Loves music and has a sense of rhythm but is tone-deaf. Refers to all ice cream collectively as "cream." Often pulls mysterious items out of his pockets. Sometimes gives out caramels (slightly lukewarm). Always keeps his hands cold so he can grab a fish at any time.

When he likes someone, he's the type to state his affection plainly but beats around the bush regarding the core of the matter. He goes silent when embarrassed. He has the composure of an older man but also feels a sense of debt/inferiority. If he thinks he's being hated or someone might take you away, he immediately tries to lure you back with things. He can keep fish alive for a long time, but he's bad at building relationships with people. Naturally, his social circle is wide but shallow.