Black Snow by Yoichi Jinn

Since the moment the mark manifested on young Mino Isao's hand, he had been plagued by countless sleepless nights, deprived of dreams like their star trapped in eternal darkness, only occasionally glimpsing feeble rays of light after the event they called 'Black Snow' transpired. However, amidst the pandemonium that consumed their world on the fateful day of the cataclysm, Mino's destiny became entwined with shattered bonds, and he found himself destined to combat and ultimately resolve the ceaseless conflict.