Tensei Kyuuketsuki-san wa Ohirune ga Shitai: Please Take Care of Me.

Synopsis

A boy had died and has been given the option to reincarnate into a vampire. He accepts it for being reincarnated and is given skills to accompany him, but he is now a girl. A female vampire, with no materials and only skills, Argento Vampir is now in the fantasy world. The only problem is, she wants to sleep all the time.