【Brand】 Konami 【Product Name】 Yu-Gi-Oh! Duel Monsters: Saikyo Duelist Senki 4 ・GBC Software ・Box ・Instruction Manual Cards not included 【Condition】 Tested and working (January 10, 2026 / Photos 15-18) Please check the photos for other conditions. 【Other】 Please only purchase if you understand that this is a home-stored, used item. (No smokers, no pets) Negotiations on the selling price are troublesome, so I cannot accept them, but I may accept requests for price reductions without comments (including bulk purchases). I try to ship as quickly as possible and pack carefully. If you have any other questions or concerns about the product, please feel free to comment. ※To prevent swapping, returns and exchanges are not possible. #GameBoy #GB #GameBoyColor #GBC #Nintendo #KONAMI #Konami #YuGiOh