Aired: Apr 25, 2020 to ?
Duration: Unknown
Viewed: 27
Synonyms: Cardfight!! Vanguard Gaiden: If
The series will explore an alternate universe to the main series, and will focus on Kouji Ibuki, an antagonist in the Cardfight!! Vanguard Movie: Neon Messiah, and Suiko Tatsunagi.
(Source: ANN, edited)