"So many worlds, but which is ours?!"  A hopeless high-schooler finds the last breaths of his life in front of a speeding truck. However, he reincarnates as Li Tianyu, the heir of a noble family in the world of Tianxia. However, even before he hits 20 in his new life, things soon take a turn for the worse... After being used as stepping stones in an internal power struggle, Li Tianyu and his friends find themselves sucked into a portal, only to end up in a new world plagued by an eternity of war between the humans and the demons. Li Tianyu and his friends must find a portal home, all while battling the endless hordes of demons and fighting their own. Also published on Webnovel!