Ep. 4: Visitor Arc IV
Ipinalabas noong Oktubre 25, 2020
It turns out that the masked magician that fought with Erika was Lina. With her identity blown, Lina uses the Parade spell to attack Tatsuya and a skirmish ensues. Both parties receive reinforcements and things quickly escalate. In the aftermath intel is attained and given to the other parties hunting for the 'vampires'. (Source: Wikipedia)