Yamada Shinichi is a salaryman and the older brother of Chinpy in the non-canon spin-off Chin Piece. His parents send him out to track down his wandering sibling and bring him back home.
Shinichi reads as an ordinary middle-aged man with little to set him apart. He keeps his black hair short and dresses in a formal business suit.
Dependability marks his character. Even while combing the world for his runaway brother, he never lets go of his job, balancing the search against his working life.
At some earlier point Chinpy had walked away from the family to chase an adventure, prompting their parents to dispatch Shinichi to fetch him. After a long pursuit he finally caught up with his brother, persuaded him to come back home, and with that resolved, Chinpy's crew went their separate ways.

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Yamada Shinichi is a salaryman and the older brother of Chinpy in the non-canon spin-off Chin Piece. His parents send him to find his wandering brother and bring him home.
Yamada Shinichi works as a salaryman, a job he continues to balance even while searching the world for his runaway brother Chinpy.
Yamada Shinichi's parents sent him to track down Chinpy after his younger brother left home to pursue an adventure.
Yes, after a long pursuit, Yamada Shinichi caught up with Chinpy and persuaded him to return home, and Chinpy's crew disbanded once the matter was settled.
Yamada Shinichi is an ordinary looking middle aged man with short black hair who dresses in a formal business suit.
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