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Hinako lives alone by the sea, quietly drifting through life after losing her family years ago. One day, a mermaid named Shiori saves her from a monster and says she’s come to eat her—just not yet. Until then, Shiori will stay by her side and keep her safe. In that moment, a deep hope swells in Hinako: Maybe this girl can finally grant her the ending she’s been waiting for.

In Joseon, a vengeful crown prince and a memory-lost merchant mysteriously swap bodies, unraveling a web of chaos, secrets, and unexpected fate.

After losing everything in a single night, Sakiko Togawa reaches out toward an even deeper abyss, one that will drag everyone around her down as well. Gathering the lives of girls burdened with their own troubles and desires, Sakiko raises the curtain on a perfect masquerade. On a stage where sorrow, death, fear, love—even the solace of forgetting—are stripped away, will their masks be torn off and shatter into oblivion?