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Start your day with spirit and discipline using this Osu! coffee mug, featuring bold Japanese calligraphy with the word “Osu!” and the kanji beneath meaning “let’s go.” Perfect for karate, martial arts, or budo enthusiasts, this design captures the essence of perseverance and fighting spirit. The bottom text can be customized, making it great for Shotokan, Kyokushin, or any dojo-inspired style. A meaningful gift for martial artists and fighters alike. Find more designs at Kung Fu Merch Global, or reach out for a different design not yet in the store.