The rest may be purchased individually for $3.99 each, or as one of seven bundles in the 'Core Fighters All Character Set'. The Core Fighters release includes four characters on the PlayStation 4 version (Ayane, Hayabusa, Hayate and Kasumi) and an additional four in the Xbox One version (Bass, Hitomi, Jann Lee and Tina). This only applies to the Core Fighters release, as BGM can already be unlocked in the full version.
21.2 Designer Challenge/Halloween 2017 DLC.