The mysterious challenger Katsuki defeats Megumi and challenges Danji to a match, but Danji has a condition: to defeat Yu-yu first. And that's how Yu-yu started his special training with Danji for the cardfight one week later...
Yu-yu?
يو-يو؟
Yuyu?
¿Yu-yu?
¿Yu-yu?
Yûyu ?
Yuyu?
Юю?