A scenario is a virtual world developed by a scenario company. They design various events within it, then guide people through encountering and resolving them, offering all kinds of different thrills.
Inside a scenario, all you can rely on is your real-world body, experience, and skills. That's why people who manage to clear high-difficulty scenarios are admired and adored.
From [Extreme Escape] to [Tomb Raider], from [Resident Evil] to [Frostpunk], from [Fatal Frame] to [Call of Cthulhu].
Intelligence, physical prowess, and willpower: the time has come to show the whole world what you can do!
Except the protagonist doesn't understand any of that. He just charges in, and charging in is the right way to do it.