As Haru and Yoko's respective missions take unexpected turns, Nagi's mischievous adventures start attracting unwanted attention.

Karen confides in Haru about a longstanding suspicion. In the meantime, Soichi receives a shocking phone call that keeps him up at night.

As Riku probes into his family's secrets, information about Gentenkai — a peculiar cult — reminds the Tawaras of a tragedy from six years ago.

An unexpected reunion stirs up more questions at the Tawara household. Soichi and Yoko inch closer to a sinister conspiracy.

To save Karen's life, Haru makes a promise to Hama-san. Riku, Nagi, and their grandmother face an unprecedented challenge at home.

With a massive attack on the horizon, the Tawaras must band together to save their family, honor and many lives before a solar eclipse.