Fantasy

Mana is life, but Eric is starving.
    To live, he must kill. To grow, he must consume.
    Eric in his dying moment, desperately wished to live again. To avenge not his death, but his friend's. He was dragged back from death by a mysterious system to fulfill his dying wish, but after he's seen the end of his friend's killers, Eric realized he didn't return to life just for vengeance games.
    [The System Claims You, Host]
    [Welcome To The Mana Reaver System]
    [You Cannot Reject The System's Directives]
    He discovered after his first kill, to be cursed with a hunger he cannot escape. The hunger for mana.
    Beast mana gives him strength but only feeds the biting void inside. Human mana, pure and intoxicating, is the only thing that can truly satisfy him. To survive, he must kill.
    [Your Hunger Grows]