Swallowed Star is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

In the Year 2056, a teenager clad in a tactical vest, combat pants, and alloyed combat boots sat atop a ruined and shattered six story apartment building. The building lies in a Prefecture-level city in the Original Jiangsu area. With a Hexagonal Shield and a Bloodshadow Combat Sword on his back, the young man sat silently on the edge of the roof. Under the brilliant hue from a starry night, it brought forth a breath of fresh air as the night breeze caressed his body. However, within this now ruined city, all was silent… all except for the occasional chill-inducing howls…