Ep. 4: Lina's Identity Revealed After Battle With Erika Leads to Skirmish
Aired on October 25, 2020

Tatsuya discovers that the masked magician who fought Erika is actually Lina. With her cover blown, Lina casts the Parade spell to attack him, sparking a skirmish. Both sides receive reinforcements, causing the conflict to escalate rapidly. Following the battle, intelligence is gathered and shared with other groups hunting for the vampires.
Episodes
- Ep. 1 · Tatsuya hosts farewell party for Shizuku before her departure to America two months after the Scorched Halloween incident
- Ep. 2 · Vampire Attacks Rock Shibuya as Leo Is Hospitalized
- Ep. 3 · Tatsuya seeks mentor aid as families unite to hunt the parasite demon attacking Leo.
- Ep. 4 · Lina's Identity Revealed After Battle With Erika Leads to Skirmish
- Ep. 5 · An unknown evil entity infiltrates First High School from the spirit dimension
- Ep. 6 · The sixth installment of the Visitor Arc explores Valentine's Day at Magic High School
- Ep. 7 · Colonel Balance Tasks Lina With Capturing or Killing the Scorched Halloween Caster
- Ep. 8 · Yotsuba Family Intervenes to Protect Tatsuya from USNA Forces