The official website for the TV anime adaptation of Rui Tsukiyo and Reia's The World's Finest Assassin Gets Reincarnated in a Different World as an Aristocrat (Sekai Saikō no Ansatsusha, Isekai Kizoku ni Tensei Suru) light novels has announced that Yui Ninomiya will be performing the opening theme song and Aira Yuuki will be performing the ending theme song.
The opening theme song is titled, "Dark seeks light" performed by Yui Ninomiya.
The ending theme song is titled, "A Promise" performed by Aira Yuuki.
The anime will premiere in October instead of the originally planned July premiere due to "various circumstances." They've also released a new teaser trailer and new character art.
THEME ARTISTS:
OPENING THEME - YUI NINOMIYA
ENDING THEME - AIRA YUUKI
OFFICIAL TRAILER:
Kenji Akabane will be voicing Lugh, Reina Ueda will voice Dia, Yūki Takada will voice Tarte, and Shino Shimoji will be voicing Maaha.
Masafumi Tamura is directing the anime at SILVER LINK and Studio Palette, and Katsuhiko Takayama is both writing and overseeing the series scripts. Eri Nagata is designing the characters.
Yen Press publishes the novels in English, and they describe the story as:
When a great assassin is reborn in another world, he finds himself the heir to a long line of killers from the shadows. With both his modern-day knowledge and experience and the special magic and techniques of this new world, he could very well become the most unstoppable assassin in history…!
When a great assassin is reborn in another world, he finds himself the heir to a long line of killers from the shadows. With both his modern-day knowledge and experience and the special magic and techniques of this new world, he could very well become the most unstoppable assassin in history…!