Live-Action TV
Description
Gonzou Kosugi, often referred to simply as Boss, is a 42-year-old man who serves as a significant antagonistic figure. Before the zombie apocalypse, he was the department chief and direct superior of the protagonist, Akira Tendo, at a black-hearted production company where Akira was employed for three years. His background includes a personal hobby of playing grass baseball as a member of a small team called the COSGIES.

Personality-wise, Kosugi is the embodiment of a classic power-harassing boss. He is portrayed as bossy, mean-spirited, and deeply selfish. His management style is defined by constantly changing his commands, refusing to admit his own mistakes, and forcing his subordinates to work incredibly long hours, never allowing them to leave before he does. He treats his workers not as people but as disposable machine parts, an attitude that completely crushes the spirit of employees like Akira. This behavior continues even after the world collapses; he remains convinced of his right to be in charge and pushes others around without any self-awareness or remorse.

His primary motivation is control and self-preservation at the expense of everyone else. After the zombie outbreak, he survives and sets up a camp with his old baseball teammates at a highway rest stop. There, he devolves further, creating a system where he and his group lay traps, such as spike belts on the road, to disable vehicles. When travelers get hurt in these traps, Kosugi offers them help but demands they work for him as payment, effectively enslaving them. This behavior is not born from a need for communal survival but from a deep-seated desire to replicate his old position of power and exploit the vulnerable.

In the story, Kosugi's role is to act as a direct mirror to Akira's past trauma and a physical representation of the toxic corporate culture that nearly destroyed him. When Akira and his friends encounter Kosugi at the rest stop, Akira agrees to work for him for two days in exchange for help for an injured companion. Under Kosugi's thumb, Akira quickly reverts to his old, mindless, obedient self, demonstrating the lasting psychological damage of workplace abuse. Kosugi also attempts to brainwash Akira into staying and working forever, seeing him as a valuable asset to be exploited.

Key relationships are central to his downfall. His most important dynamic is with Akira Tendo, his former employee, whom he immediately begins bullying again. This relationship is challenged by Shizuka Mikazuki, who recognizes Kosugi's behavior as identical to that of her own abusive, controlling father. It is Shizuka who confronts Kosugi and snaps Akira out of his trance, giving Akira the courage to quit for good. Kosugi also has relationships with his baseball teammates and the people he has enslaved, all of which are built on fear and coercion.

Kosugi undergoes a significant but unflattering development. His arc culminates in complete abandonment. When zombies finally breach the rest stop due to a mistake by one of his own men, Kosugi panics and flees, showing his cowardice. After Akira saves him, Kosugi's tyrannical behavior finally catches up with him. His baseball teammates and all the people he was holding as workers abandon him, leaving him alone at the rest stop to fend for himself. While he begs Akira for help one more time, Akira refuses, leaving him to his fate, a solitary figure who lost everything because he could never treat others with respect.

In terms of notable abilities, Kosugi possesses no physical prowess or combat skills. His only ability is psychological manipulation. He is an expert at using emotional blackmail and the leverage of a desperate situation to force others into servitude. He knows how to exploit the ingrained fear and deference of a former subordinate, proving that in the world of Zom 100, the most dangerous monsters are not always the zombies.