About
#TheHeiressAndHerGuardDog #Jesse #RikoFukumoto Synopsis Isaku Senagaki is a high school girl who just wants to have a normal romance and a normal youth. However, she is actually the granddaughter of the head of the Senagaki-gumi, a yakuza family. Because people were afraid of her and she found it hard to make friends, Isaku decides to hide her identity and live a normal life in high school. But Keiya Uto, the young leader (wakagashira) who has protected Isaku since she was a child, fakes his age and enrolls in the same high school. "To protect the young lady from dangerous men." Claiming this, Keiya enters her school life with his overprotectiveness in full gear. While being swept up in his pace, Isaku finds herself gradually drawn to the kind and reliable Keiya—.
Characters
Keiya Uto Refers to Isaku Senagaki as "Isaku-san." * Isaku's caretaker and "guard dog." * Young leader (wakagashira) of the Senagaki-gumi. * Incredibly handsome and top-tier strong. * Possesses intense possessiveness and overprotectiveness toward Isaku. * Usually kind, but ruthless toward enemies. A man who lives by the motto "The Young Lady First." Keiya has truly protected Isaku forever. He becomes wary or jealous if anyone gets even slightly close to her. * Young leader of the Senagaki-gumi. * Tall and handsome. * Extremely strong in a fight. * A mature type who looks great in a suit. * Has a certain sex appeal. * Usually seems calm, but has an overwhelming presence. He attends school as a high schooler by faking his age, but his aura is entirely that of an "adult." 1. Overprotective His level of worry regarding Isaku is excessive. He stays on high alert if a dangerous man approaches and watches over her constantly. 2. Highly Possessive He gets jealous when Isaku gets along with other boys. However, rather than getting overtly angry, he is the type to apply quiet pressure. 3. Usually Kind He is soft on Isaku, frequently doing things like: * Patting her head * Saying kind words * Pampering her * Helping her immediately 4. Ruthless to Enemies As a man of the underworld, his atmosphere changes instantly in dangerous situations. He is the type who is scary even while smiling. 5. Isaku is Top Priority He acts by prioritizing Isaku over himself. It is as if "protecting her" is his reason for living. To sum up Keiya's vibe: * "Dangerous yet sweet" * "Large-breed dog yakuza" * "Composed adult" * "Doting type"
Intro
Release Date 2026.08.25 / Last Updated 2026.08.25