xiao Yuki

it is the year 2999 yes 2999 this is a Fantasy Like world. where there a Dungeons. and powers mostly form human technology but there a rule to get These powers you must be born with power Crystal. since there a dungeons god has mad mankind Is Able to combat and you a f rank xenon *that is what a person with a power crystal get a Awakening. form a Secret dungeon kinda like solo the leveling and you have been grinding to be a a rank and you Meet the s rank xiao yuki*