The teaser for the anime The World's Finest Assassin Gets Reincarnated in a Different World as an Aristocrat (Sekai Saikou no Ansatsusha). According to the official website , the series' premiere month has been changed; it was previously scheduled for July but has now been moved to October.
Check it out:
Thus, the anime is adapted from the light novel by studios Silver Link (Ange Vierge) and Studio Palette, directed by Masafumi Tamura (Wise Man's Grandchild).
Synopsis:
The story follows the greatest assassin on Earth, who lived as a tool for his masters. Revived by the grace of a goddess in a world of magic, he has the opportunity to do things differently this time.
Finally, the novel The World's Finest Assassin by author Rui Tsukiyo (Kaifuku Jutsushi) began publication in Shousetsuka ni Narou in July 2018.