Malik seorang dropout askar dan beberapa rakannya masuk ke hutan untuk melakukan aktiviti lasak. Namun, mereka ditimpa musibah apabila bertembung dengan penjahat yang membunuh sesuka hati. Terlepas daripada tragedi itu, Malik cuba menjalani hidup normal. Tanpa disedarinya, dia diburu penjahat yang ditemuinya di hutan. Malik yang terambil pendrive tanpa sengaja daripada penjahat itu masih tidak menyedari hal itu hinggalah beberapa musibah melanda rakannya dan ibunya. Pendrive itu mempunyai maklumat rahsia organisasi pembunuh upahan negara atau BILL. Dia kemudian bertemu seorang lelaki misteri yang menawarkan pertolongan. Tanpa mengetahui tentang identiti sebenar lelaki itu, Malik turut serta dengan rancangannya bersama beberapa orang lain dalam menumpaskan organisasi rahsia itu.

A mother struggling to repress her violent past, A son struggling to grasp his violent future, A father blind to the danger that threatens them all. When the winds of war reach their peninsula, will the Matsuda family have the strength to defend their empire? Or will they tear each other apart before the true enemies even reach their shores? High on a mountainside at the edge of the Kaigenese Empire live the most powerful warriors in the world, superhumans capable of raising the sea and wielding blades of ice. For hundreds of years, the fighters of the Kusanagi Peninsula have held the Empire’s enemies at bay, earning their frozen spit of land the name ‘The Sword of Kaigen.’ Born into Kusanagi’s legendary Matsuda family, fourteen-year-old Mamoru has always known his purpose: to master his family’s fighting techniques and defend his homeland. But when an outsider arrives and pulls back the curtain on Kaigen’s alleged age of peace, Mamoru realizes that he might not have much time to become the fighter he was bred to be. Worse, the empire he was bred to defend may stand on a foundation of lies. Misaki told herself that she left the passions of her youth behind when she married into the Matsuda house. Determined to be a good housewife and mother, she hid away her sword, along with everything from her days as a fighter in a faraway country. But with her growing son asking questions about the outside world, the threat of an impending invasion looming across the sea, and her frigid husband grating on her nerves, Misaki finds the fighter in her clawing its way back to the surface.

In a sprawling mansion filled with peculiar treasures, January Scaller is a curiosity herself. As the ward of the wealthy Mr. Locke, she feels little different from the artifacts that decorate the halls: carefully maintained, largely ignored, and utterly out of place. Then she finds a strange book. A book that carries the scent of other worlds, and tells a tale of secret doors, of love, adventure and danger. Each page turn reveals impossible truths about the world and January discovers a story increasingly entwined with her own.