Cardfight!! Vanguard: Season 4, Episode 1

4 - 1: Missing Leader

Aichi is nowhere to be found, but what`s even more frustrating for Kai is that no one remembers him, not even his own family! Have Aichi`s other friends totally forgotten about him or are there still glimmers of memory that can be unearthed? Determined to find out, Kai fights Naoki... for the first time?!