"Mermaids can change their appearance, but their ferocity remains the same." A sea with a mysterious rumor that all bad things are blamed on mermaids. A human and a mermaid who meet there, what is the fate of...

Tachibana Tsukumo, a girl who cannot feel pain. Yao, an immortal boy whose only wish is to die. What will happen when these two meet...?

Three centuries ago, a vampire by the name of Migiri was running a reign of terror across Japan when a hero named Naonosuke Kobayashi cut off his head and sent him to eternal rest... until now.