Kashou no Tsuki: Aki Kyougen(1998)

Kashou no Tsuki: Aki Kyougen is an anime series that follows Arimasa Tsuchimikado, a half-fox outcast whose village both fears and depends on him for protection against supernatural threats. Years after rescuing an injured cat as a child, Arimasa discovers the creature is Kagetsu, a shape-shifter from the Kouga tribe. Now Kagetsu faces a critical choice: completing his transformation into a permanent human form requires an intimate decision that conflicts with pressure from his own clan. When a massive supernatural assault strikes the village, Arimasa's fragile equilibrium shatters. Caught between his desire for peace and the mounting demands of those around him, he must navigate impossible choices that will reshape his future and test his loyalties to both worlds.