Asahi has run away from home…! She was unable to find any proof that she was actually a member of the Minato family, and its really hitting her hard. Who is she? Asahi confesses her feelings to the mysterious woman, Saki Mitsurugi. Is she an enemy or an ally? Meanwhile, another kaiju, Neronga, appears in the city with the ability to cut family ties! The Ultra Brothers rush to fight against the kaiju, but they’re constantly worrying if their sister will ever join their family again…