S01E01 The Day Peace Began to Collapse
Watari Naoto and his sister Suzu try to live a normal life. His destructive childhood friend Satsuki returns.
Yukari's mom wants Naoto and Yukari to break up. But Naoto decides that he doesn't want to give anything up.
Naoto Watari lives solely for his little sister, Suzushiro, until his chaotic childhood friend, Satsuki, storms back into his life. Without uttering a single word, her very presence ignites buried memories and unravels his rigid routine. As tensions rise and secrets surface, Naoto’s devotion to Suzushiro clashes with unresolved pain, threatening to collapse his fragile world.