Aniplex has released a teaser for the anime The Case Study of Vanitas ( Les Mémoires de Vanitas ). According to the official website , the series is animated by studio BONES (My Hero Academia, Fullmetal Alchemist).
Check it out:
✦・━・✦・━・✦・━・✦・━・✦・━・✦ 『ヴァニタスの手記(カルテ)』 2021年夏 TV
呪いと救いの吸血鬼譚、開幕。
▶️ティザーPV公開 https://t.co/GsolmQZMIv https://t.co/FviuFuaeXm #ヴァニタス pic.twitter.com/7poOsQplCN
— TVアニメ『ヴァニタスの手記』 (@vanitas_anime) March 28, 2021

The manga has been published in Square Enix's Gangan Joker magazine since December 2015 , and currently has eight volumes.
Synopsis:
The story revolves around rumors surrounding The Book of Vanitas, a mechanical grimoire of dubious reputation, which ends up attracting Noah, a young vampire seeking to save a friend, to Paris.
Finally, The Case Study of Vanitas is scheduled to premiere during the summer season.
