God of the Apocalypse

In the desperate struggle for survival in a post-apocalyptic world, everyone has awakened to a unique ability known as 'Lexicon'! Zhao, who has been searching for his adopted sister, finally awakens the world's only radiant-level growable Lexicon on his 16th birthday after constantly hiding and evading danger. However, the true face of this world's hardship begins to reveal itself to him...