Kohei Inuzuka is the heart of Sweetness and Lightning, a gentle high-school math teacher and recently widowed father doing his best to raise his small daughter Tsumugi on his own. At the start of the series he is quietly overwhelmed, leaning on convenience-store food and takeout because he never learned to cook, and carrying a deep worry that he is not giving his daughter the home life she deserves.
His arc is one of slow, tender growth. Through a chance connection with his student Kotori Iida and her family's restaurant, Kohei begins learning to prepare simple meals, and each dish becomes a small step toward rebuilding stability and joy in his household. His patience, warmth, and obvious love for Tsumugi anchor the show's emotional core.
Over the season Kohei moves from grief and self-doubt toward a renewed sense of purpose and connection. He never stops missing his late wife, but cooking and sharing meals help him find a way forward, deepening his bond with Tsumugi and forming a quiet, supportive friendship with Kotori along the way.
Kohei Inuzuka is one of the central figures in Sweetness and Lightning, a anime/slice-of-life/family/food/drama series that aired on Tokyo MX from 2016. Within the narrative of Sweetness and Lightning, Kohei Inuzuka serves as a pivotal character whose decisions and relationships drive key story arcs throughout Season 1 (2016). The character's journey has been central to many of the show's most memorable and discussed moments.
Portrayed by Yuichi Nakamura, Kohei Inuzuka has become one of the most recognizable characters in modern television. Yuichi Nakamura's performance brings nuance and depth to the role, creating a character that resonates with audiences on both intellectual and emotional levels. Yuichi Nakamura's work has been recognized with 1 major award, reflecting the critical acclaim their portrayal has received.
Explore More on TVCeleb
TVCeleb.com is the internet's most comprehensive resource for television character fandom, covering 740 acclaimed TV series with 2297 detailed character profiles and 1830 actor biographies. Our coverage spans 189 genres across 156 networks and streaming platforms, with content organized to help fans discover, explore, and engage with television from every angle.
Browse our collection by genre to find shows in your preferred category, by network to see what's available on your streaming platform, by decade to explore different eras of television history, or by curated lists that group characters by archetype and achievement. Each show page features expanded synopses, production details, and video content, while character pages include detailed arc analysis, key episodes, quotes, trivia, and fan ecosystem mapping.
Every character on TVCeleb is scored using our proprietary Fan Heat Index, which measures engagement, social activity, meme velocity, fan art density, and fandom longevity on a scale of 0 to 100. This data-driven approach provides objective insight into which characters have inspired the most passionate and active fan communities. Use the search page to find any character, show, or actor instantly, or start browsing from our homepage to discover what's trending in television fandom today.
? Frequently Asked Questions
Kohei Inuzuka is voiced in the Japanese version by seiyu Yuichi Nakamura.
After losing his wife, Kohei worries that relying on takeout and convenience-store meals is failing his young daughter Tsumugi. A chance meeting with his student Kotori, whose family runs a restaurant, leads the three of them to start cooking simple home meals together.
