She can't remember her past—but her body remembers exactly how to kill.
Luna Amano can barely remember the last five years of her life, and the one person helping her build new memories has mysteriously disappeared—her older sister. Luna dedicates herself to running her sister’s flower shop until yakuza threats and a devastating fire shatter what little stability she has left. When the tragedy awakens strange memories and an astonishing talent with firearms, Luna sets out for revenge while trying to uncover the truth about her past and why she knows how to kill.