Yu-yu finds Danji in town and attempts to tail him to find out more, but ended up being discovered. Danji senses Yu-yu's interest in starting Vanguard, and allows him to choose a card to be his buddy. Meanwhile, Megumi misunderstands the closeness of Danji and Yu-yu's relationship, and challenges Yu-yu to a cardfight.
I know!
!أعلم ذلك
Weiß ich doch!
Aber ich hab euch gesehen,
¡Lo sé! Pero los descubrí.
¡Lo sé! Pero os vi yo misma.
Je le sais, mais je vous ai vus
Eu sei disso!
Знаю!