Bungo Stray Dogs' BlackWater: Our Raison D'être

Raison D'être-the main purpose or reason for one's existence. At present, armored with his calamity powers, He Xuan is reborn and explores this new place called Japan and more. Then comes a brand new adventure in his life. Meanwhile, Hua Chēng, his prince, and Shi Qingxuan are frantic in searching for He Xuan, they...