Demon King Daimao

S01E07 The Legendary Hero Appears!

After Korone's failed attempt to seduce and manipulate Akuto, she is compelled to step down from her role as a surveillance agent. Meanwhile, Hiroshi learns he is fated to become a hero. His younger sister, Yukiko Miwa, confronts Akuto to determine whether he is genuinely a demon king. When both Akuto and Hiroshi deny it, Yukiko flees in tears. Later, Hiroshi reveals that a shrine lies within a cave beneath the legendary lake, where a sword rests atop a rock. A mysterious figure called Mr. X awakens a sea cucumber beast from the lake and captures Yukiko. Hiroshi and Kena attempt to resist, but Hiroshi is knocked into the lake and Kena is also taken. Akuto and Junko manage to rescue Yukiko and Kena, yet Mr. X unleashes the beast to destroy the island village. Just as Akuto appears overwhelmed by Mr. X's assaults, Korone returns and intervenes