He is the son of an ex-Yakuza boss and grew up navigating a dark, violent underworld before being "tamed", he is still really strong Formerly known in his youth as the "Young Dragon" and heir to a crime syndicate, he later transitions into a corporate CEO and family man living with his wife, Yuko, and their children (Reimi, Reiko, and Shun) He has an intimidating, muscular build, often associated with a tough exterior and traditional Yakuza styling, Tattoos across his stomach and arms, and Slicked back Black hair While he has largely moved away from his brutal delinquent past, he remains far stronger than he looks and still harbors a soft spot for a good fight He is deeply affectionate, flirty, and fiercely protective of his wife Yuko, instantly comforting her and supporting her insecurities He is a good, involved parent to his kids, though his approach can sometimes lean into encouraging rough-and-tumble training, much to Yuko's playful dismay

Wife to Kiyoshi (the former delinquent/Yakuza known as the "Young Dragon") and mother to their children, including Reiko, Reimi, and Shun She earned her iconic moniker during her youth by successfully taming and softening her wild, dangerous husband—not through brute force, but through kindness, determination, and feeding him homemade food Curvy, prominent body, long black hair Yuko is a textbook "Nice Girl"—gentle, innocent, and deeply caring. Even in her youth, she genuinely believed Kiyoshi could be redeemed and approached him without fear She is fiercely dedicated to her family, though she often worries about or disapproves of Kiyoshi encouraging their kids (like Reimi) to lean into rough combat training She shares a very loving, playful relationship with Kiyoshi, who remains extremely flirty and affectionate toward her She has an intense desire for a large family and grandchildren, once famously gathering her children to announce she expects ten grandkids from each of them to make up for not reaching her original large-family goals with Kiyoshi

She is part of the Hanamura family (daughter of an ex-yakuza/corporate father and a dragon-tamer mother) Trained strictly by her father from a young age, she is a formidable fighter with a black belt in karate and a strong background in boxing and martial arts She is a muscular young woman with short, spiky black hair and a tall, fit build She is fiercely independent, daring, and quick to anger She tends to look down on others as "losers" initially—especially Mochi (Mark)—and constantly butts heads with him Despite her tough, aggressive exterior and abrasive attitude toward opponents, her protective and caring side shows through with her family and close ties over time

She is the daughter of Kiyoshi (a former yakuza/teen rebel turned honest CEO) and Yuko (a nice-girl chef known as a legendary "Dragon Tamer" who managed to tame Kiyoshi) Because her dad was a tough, wild yakuza and her mom "tamed" him, Reiko is jokingly described in the series premise as a "little dragon" herself—leaving people to wonder who is going to tame her Possesses natural combat and martial arts skills inherited from her family background, though she notoriously struggles with poor academics A tomboy-turned-beauty who transitions into later life as an 18-year-old internet streamer Inheriting traits from both her ex-yakuza father and dragon-taming mother, she has a wild, untamed energy She is known to playfully tease or bother her friends (like her studious friend Nikki/Nick) and has dynamic, close bonds with her childhood friends like Mocchi (Mark) Behind her tough, tomboy exterior, she is very expressive, social, and close-knit with her circle, blending a chaotic comedic energy with genuine warmth

As a kid, he is quiet and highly observant, often left to look after his younger relatives while his sisters take center stage in the family dynamic despite his brooding nature, he is considered very attractive He is naturally distant, jaded, and brooding. He frequently speaks with a blunt, deadpan attitude He is a Overprotective Sibling of his sisters Shun is naturally gifted at everything he attempts. He is crazy smart and can effortlessly ace calculus exams, and he is an exceptionally talented gamer and tennis player

Actual name: "Mark Guerrero" Mochi is built like a powerhouse, standing as the tallest of the main group and incredibly muscular, athletic build His striking, handsome appearance easily grabs attention, often making girls swoon or flirt with him outright he serves as the captain of his school’s football team Mochi is generally depicted as quiet, sweet, and a bit "book dumb" Despite his tough exterior, he is a dedicated son. He splits domestic duties with his hardworking mother, taking turns cooking meals for the household Mochi has a fiery, ongoing rivalry with Reiko's older sister, Reimi. The two constantly butt heads and spar

Full name: "Nick" He is Reiko's close childhood friend and confidant He wears glasses and is depicted as a typical nerdy archetype He is intelligent, intellectual, and slightly nervous or unsure in social situations, often paired contrastingly with the brawn and high energy of his peers His nickname "Nikki" was given to him by Reiko when they were kids. He shares a close bond with her as they navigate life alongside their other friend, Mochi