Prompt:

T-shirt design, Cool Orange Cat riding on the back of a Shark, the cat is wearing a jacket and with a katana, focusing on the shark, the cat is small and happy in the top of shark, a simple vector illustration with a background for a t-shirt graphic design, in the style of Japanese kanji, a vintage poster print, with a pastel color theme, a centered and symmetrical composition, no text or borders, isolated on a light gray background. --ar 9:16 --v 6.1

T恤设计，酷炫的橙色猫骑在鲨鱼背上，猫穿着外套，手持武士刀，专注于鲨鱼，猫小而快乐地坐在鲨鱼上，是一个简单的矢量插图，背景适合T恤图形设计，采用日式汉字风格，复古海报印刷，淡色调，中心对称构图，没有文字或边框，独立于浅灰色背景上。