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...
Counterblast! I gain +5000 power 
and draw two cards!
!هجمة مضادّة! أكتسب قوّة 5000+ وأسحب بطاقتين
Counterblast! Meine Power steigt
um +5.000 und ich ziehe zwei Karten!
Counterblast !
Plus 5 000 en puissance.
Counterblast! Eu ganho +5000
de poder e puxo duas cartas!
Встречный взрыв. Пять тысяч
к силе, и я тяну две карты.