My Senior Brother Is Invincible, So Why Are You All Trying So Hard?

Shen Nian has it all—chief disciple of the Heavenly Sword Sect's Ninth Peak, heir to an ancient bloodline, and talent that defies the heavens. He should be untouchable. Then the system drops a bombshell: he'll die in three days at the claws of the demon race. His solution? Drive his junior sisters to their absolute breaking point! Xiao Qing'er, barely at Qi Condensation level four, stares in disbelief at her mission to slay a Golden Core demon. The second junior sister, born with a supreme bone, pushes herself until she's convinced her divine physique is defective. The youngest, blessed with a…