Momonga, now known as the Sorcerer King Ains Ooal Gown, rallies the Sorcerer Kingdom and its undead army to join the fight alongside the Sacred Kingdom and the Slane Theocracy in hopes to defeat the Demon Emperor Jaldabaoth.

Dai Miyamoto, a student from Sendai, receives a saxophone as a gift from his brother, Masayuki. He starts practicing immediately.