Gen Todoroki serves as the central character in the series, depicted as a skilled rally driver notorious for triggering frequent accidents during competitions. He consistently survives these high-impact collisions with minimal injuries, reacting with the series' titular exclamation. This cycle of vehicular destruction and improbable endurance solidifies his reputation as a "survivor."

His background reveals recruitment by Rokkoji, an executive from a major Japanese car manufacturer, during Gen's time in Paris. Rokkoji extends a sponsorship offer conditional on Gen completing a timed mountain drive. When unforeseen events cause Gen to fail the challenge, Rokkoji still grants the contract, valuing Gen’s marketable "brand image" derived from his crash-prone notoriety.

Personality-wise, Gen exhibits impulsiveness and a volatile temper. He displays condescending attitudes toward team members, including co-drivers, and makes inappropriate remarks to women in languages they cannot comprehend. During the Kenya rally, he demands steak regardless of cultural or logistical constraints, showing little consideration for others’ circumstances.

Within racing events, Gen confronts professional hurdles like clashes with his first co-driver, Dick Van Dyke, and navigates rivalries during the Safari Rally Kenya championship. He interacts with Cotti, a French woman he initially meets during the mountain trial; she reappears in Kenya with ambiguous motives. The narrative halts abruptly after the Kenyan rally, leaving his professional and personal arcs unresolved.

Technical portrayals of his racing deviate from real-world rally standards, such as conducting night reconnaissance in fully branded race cars. These sequences highlight his accident-prone tendencies in treacherous settings, though his driving competence remains apparent despite recurrent vehicle destruction.