It's the anniversary of the day Megumi and Danji met. However, Danji shows no signs of any intention to celebrate it, and seems to have completely forgotten about it. Seeing that Megumi has started sulking in disappointment, Tomari takes action to lift her spirits.
Here, the rule is for disputes 
to be settled by cardfights.
.تفيد القواعد بأن تُسوّى النّقاشات بقتال بطاقات
Eine unserer Regeln ist es,
einen Streit mit einem Fight zu lösen.
Aqui, os conflitos são resolvidos
na base do Vanguard.
У нас есть правило: все споры
решаются через поединок.