The manga's story centers on Tsutsuji, a high school girl nicknamed "Shinigami" because of her sinister personality. She steps to another world called the Pearl Country, where she confronts troubles and batt...

Salleal wakes up, injured, in a strange place, where a strange man she doesn't recognize, keeps her. She falls for him and his kindness, and she soon realizes she had once loved that man! But who was he? Who...