Commercial Collaboration Poster

A commercial promotional poster for a brand collaboration new product launch, featuring a co-branded campaign between a coffee brand and a fantasy game character brand. The image is designed to advertise the release with bold branding, product emphasis, and eye-catching marketing visuals.

Generate a brand launch poster for a new product co-branded by {argument name="品牌A" default="瑞幸咖啡"} and {argument name="品牌B" default="原神纳西达"}.