12 — Summertime Render - Episode

Haine, appearing in the form of a young girl named Shiori, is no longer satisfied with just the dead and has begun targeting the living to prepare for the upcoming festival ritual. The Massacre at the Shrine

Despite the heavy losses, Shinpei enters the next loop with critical knowledge: the truth about the Hishigata family and the confirmation that Haine is possessing Shiori's form. Summertime Render - Episode 12

In a final act of desperation, Shinpei decides to reset the loop. He asks Ryuunosuke (Hizuru's brother residing within her) to kill him so he can carry the information they've learned into the next cycle. Haine, appearing in the form of a young

The powerful Four-Armed Shadow (Shide) appears, taking Mio hostage and overwhelming the group. He asks Ryuunosuke (Hizuru's brother residing within her)

During the confrontation, a massive flash of light erupts at the shrine, effectively completing the ritual and killing nearly everyone present, including Sou and Mio.

The episode concludes with Shinpei’s death, triggering a new loop where he must find a way to prevent this massacre from happening again.