Cardfight!! Vanguard: Season 1, Episode 3

1 - 3: Welcome to Card Capital

Aichi`s little sister, Emi, finds it strange that Aichi seems to be having more fun lately, as he usually lives out his life being bored... One day, on her way home from school, Emi sees some bad-looking guys taking Achi away somewhere. Worried, Emi follows them, and arrives at a store named "Card Capital".