E-Class Succubus? Defying the Heavenly Understanding, Enlightenment and Swallowing at the Beginning

[No system + high martial arts + cool writing + male succubus + heaven-defying understanding + fast pace + decisive killing] "Aside from being handsome, what is the use of the E-level succubus bloodline... The A-level bloodline genius was knocked out by him with one punch?" "No one can learn this incomplete secret of the Earth Level... What? You have already learned it?" ... E-class succubus is the weakest bloodline? Only worthy of being a pet? "Ha!" Jun Lin smiled coldly. "You are just the nourishment for my growth!"