Zero Zone: Picking up Ling and Zhe on the Street

[Protagonist travels through time + semi-invincible + fast pace + multiple female protagonists + daily life] The protagonist is too arrogant when playing on behalf of others, and accidentally kills himself. God saw that he liked Juezu Zero too much, so he let him be reborn into Juezu Zero's hole. Carlos Arna happened to be walking through the hollow and picked him up. Named Xi, due to the protagonist's understanding of JueZuoZero in his previous life and his familiarity with profound martial arts, he became a genius boy in old Elido. While performing a mission in the cave with his teacher, he picked up orphans Ling and Zhe. What will the protagonist do amid the intertwining forces of various forces?