Beginning with a more lighthearted tone, it gradually delves into an emotionally deep exploration of Vash's origins, the relationships with his supporting cast, and the effects of his actions.
The series arguably leans a bit harder into the "western" element of its sci-fi/western setting, opening with the wanted protagonist Vash the Stampede's episodic adventures as he's being chased for the destruction of a city he can't remember. Beginning with a more lighthearted tone, it gradually delves into an emotionally deep exploration of Vash's origins, the relationships with his supporting cast, and the effects of his actions.