Ascendance of a Bookworm is an anime series based on a light novel and manga series written by Miya Kazuki and illustrated by Yō Shiina. The series is animated by Ajia-do Animation Works and directed by Mitsuru Hongo, with Mariko Kunisawa handling series composition, Yoshiaki Yanagida and Toshihisa Kaiya designing the characters, and Michiru composing the series' music.[1] The first season ran for 14 episodes,[2] which aired from October 3 to December 26, 2019 on ABC, Tokyo MX, Wowow, and BS Fuji.[3][a] The opening theme is "Masshiro" (真っ白) performed by Sumire Morohoshi, while the ending theme is "Kamikazari no Tenshi" (髪飾りの天使) performed by Megumi Nakajima.[4] The first season's OVA episode (numbered 14.5) consisting of two parts called "Eustachius's Incognito Operation Downtown" and "Visiting Missus Corinna" aired on March 9, 2020.[5][6] The second season ran for 12 episodes, which aired from April 5 to June 21, 2020.[7][8] The production of the third season was announced on July 12, 2020, which ran for 10 episodes, and aired from April 12 to June 14, 2022 on ytv.[9][10][b] Crunchyroll is streaming the series.[11]