Destiny Unchain Online manga, Destiny Unchain Online 〜吸血鬼少女となって、やがて『赤の魔王』と呼ばれるようになりました〜
Kou Mitsuki is a gamer with god-like skills who also goes by the nickname “Headhunting Crim”. He participates in a test of a new game device for his father’s new game, “Destiny Unchained Online”. But the game was filled with bugs at the start and he ends up as a vampire girl. Meeting amazing allies, and taking the game by storm, the story of a top-tier gamer where anything and everything can change….begins!