Two best friends living in a rural Japanese village: Yoshiki and Hikaru. Growing up together, they were inseparable... until the day Hikaru came back from the mountains, and was no longer himself. "Something" has taken over Hikaru's body, memories, feelings... and everything they know begins to unravel. Source: Netflix Note: The first episode received an early screening at a special event on 29 June 2025 at TOHO Cinemas Shinjuku in Tokyo. The regular TV broadcast started on 6 July 2025.