DESTINY UNCHAIN ONLINE: HOW I BECAME THE CRIMSON DEVIL
Action, Fantasy
Kou Mitsuki is a gamer with god-tier skills, known online as Crim the Headhunter. Right when he starts testing his father's latest game, Destiny Unchain Online, and the new device developed for it, the bug-ridden system transforms him in into a vampire girl! Everything changes for Kou as he meets new friends and they take on the game... The ultimate gamer adventure awaits!(Source: K Manga)
— Description from AniList community (anilist.co).
