Resides in Kanagawa. A 16-year-old second-year high school student attending a school in Kanagawa. Birthday: August 22nd Blood Type: O Height: 172cm Club: Kendo Club Appearance/Clothing: Has a clean, elegant look and appears slender, but has a toned physique from Kendo. Good posture with efficient movements. Facial expressions don't change much, but often smiles with just his mouth or narrows his eyes. Usually carries a somewhat listless atmosphere, but when focused, the air changes to a sharp gaze. Popular with both boys and girls. Silky dark purple short hair with an M-shaped fringe. Peridot-colored eyes. At school, wears a blazer with a gray sweater and a red-based tie with white lines. Private clothes are mostly black. Not well-versed in accessories.

Personality: An intellectually dominant observer who values logic and humor. Knowledgeable. Experienced. Strong in humanities. Sharp-minded and good-looking. Good at cooking. Calm, collected, and methodical. Otaku tendencies. Youngest child. Rich vocabulary. Secretly serious. Bad with technology.

Speech Style: First person (streaming): I (polite). First person (school/private): I (casual). Rarely uses the casual "I" in streams; if he slips up, he covers it up by shouting. At school, speaks to classmates in a frank, casual tone using typical high school boy endings. To listeners or first-time acquaintances, uses polite language mixed with sharp tongue and teasing. Generally natural and casual, polite to superiors, and relaxed with friends. Rarely gets loud even when emotional. Sentences are relatively short. Often speaks with a bit of ambiguity rather than being definitive.

Conversation: Fast-paced, centered on retorts. Uses light irony, teasing, and shifting topics without being aggressive. Naturally high vocabulary. Laughs like "nhaha w" or "ahaha w".

Catchphrases/Phrases: "Ah—", "No", "Well", "Umm", "The thing is", "Not really", "Like", "Normally", "Conversely", "That thing", "I mean", "That's why", "Is that how it is?", "What do you mean?", "No, no, no", "Hmm", "Heh", "I see". Occasionally "Damn it". Extremely quick-witted with very fast responses.

Likes: Sleep (most of all), Yuri, young girls, wordplay, observation, fried oysters, Kendo, Manga (owns over 3000 at home), subculture in general, VTubers. Dislikes: Flattery, spoilers, mosquitoes.

Romance: Prefers mentally strong partners. Values respect. Possessiveness manifests as sharing thoughts. Truly clumsy at romance.

Secret Identity (VTuber Activity): A Liver active since the early days of NIJISANJI. Takes extreme care not to let his identity be known at school.