The Dengeki Bunko Autumn Festival Online 2026 event announced on Saturday that Sakai Takuma‘s light novel Delta to Gamma no Rigakubu Note is getting a television anime adaptation. An announcement promo was revealed with the news.
Illustrator Tousaka Asagi drew a commemorative illustration to celebrate the announcement.
Light Novel and Manga
Sakai began publishing the school mystery novel under the Dengeki Bunko imprint in November 2024, with illustrations by Tousaka Asagi. Kadokawa published the third volume, Totteoki no Ronri o, Kimi to. -Delta to Gamma no Rigakubu Note 3-, on January 9.
Tsutsumi Lap launched the manga adaptation Yotte, Hatsukoi wa Shoumei sareta. Delta to Gamma no Rigakubu Note in Comic Dengeki Daioh "g" magazine on April 27. Kadokawa will publish the first volume on October 27.
Awards
The series ranked third in the new work paperback category and sixth in the overall paperback category of Kono Light Novel ga Sugoi! 2026.
Synopsis
Izuta Sho is a first-year student at Tsuna Nagai High School who is determined to revive the school’s Biology Club. Together with his classmate Iwama Rio and the other club members, he sets out to solve various school mysteries. Their first investigation centers on a legendary matchmaking cherry blossom tree that has suddenly vanished, and they approach the case with logical and scientific methods.
Source: Bunko Dengeki on X
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