The kingdom of science begins its siege on Tsukasa’s empire. They’ll have less than twenty seconds from the beginning of the war to scare the empire into submission, or risk casualties.
Shouldn't you say "Nice to meet you" first?
ألا ينبغي عليك أن تقولي "سررت بلقائك" أوّلًا؟
¿No deberías presentarte primero?
¿No deberías presentarte primero?
Tu ne devrais pas te présenter ?
Non si dovrebbe dire anzitutto 
"Piacere di conoscerti"?
Não devia começar se apresentando?