Mana Online: Rise of the Strongest Vampire

When an accident completely changes Ryan's life, he attempts to take back control by playing the new and popular game 'Mana Online'. However, things do not go as planned when he stumbles into a strange legacy and a new hidden class. Rather than a blessing, this legacy was simply a curse and when Ryan logged out of the game, he realized that this curse had followed him into his reality! What was happening? Just what kind of game was 'Mana Online'? More importantly, what was he going to do about his brain which could now think of only one thing, blood? Would he be able to overcome the curse and claim his legacy or would he end up being consumed by the same curse in the process?