Cardfight!! Vanguard Gaiden: If
Cardfight!! Vanguard Gaiden: If follows an alternate storyline set outside the main series. This alternate universe focuses on Kouji Ibuki, a character previously seen in the Cardfight!! Vanguard movie Neon Messiah, as well as Suiko Tatsunagi, another key figure. The series deviates from the main na…