[Crossover] Even as a Child, I'll Defend My Wife's Rights

Asakawa Chiaki never imagined that one day she would "pick up" a miniature version of Yukimura Seiichi. Asakawa Chiaki: "You're Yukimura Seiichi's illegitimate child, right? That's so sad." Miniature Yukimura Seiichi: "..." Asakawa Chiaki: "Your dad's a real jerk. Good thing I gave up on liking him ages ago." Yukimura Seiichi, unable to speak: "..." Asakawa Chiaki: "Come on, come on, Auntie's going to give you a bath~" Yukimura Seiichi, unable to walk: "..." In short, this is the frustrating history of a shrunken Yukimura Seiichi, whose fighting ability has plummeted, desperately defending his territory and bringing his wife home. Theme: