anime adaptation of the novel Mushikaburi-hime ( Bibliophile Princess ). According to information, the animation is by the studio Madhouse ( One Punch Man ). Official Site .
Therefore, the direction is by Tarou Iwasaki (Amaama to Inazuma), and Mizuka Takahashi (Overlord III) designs the characters.

Synopsis:
When bookworm Lady Elianna sees Prince Christopher—her fiancé in name only—taking up with another noble lady, she realizes the recent rumors must be true. The prince has someone he truly loves, meaning the annulment of the engagement is inevitable and fast approaching. What she doesn't realize is that this is just a superficial ripple—one of many where the truth lies deeper, in a conspiracy beyond her imagination!
Finally, J-Novel Club has been publishing Bibliophile Princess in Japan since 2015 and inspired a manga by Yui Kikuta .
Furthermore, Mushikaburi-hime is still scheduled to premiere in 2022.