Delta to Gamma no Rigakubu Note
| Delta to Gamma no Rigakubu Note | |
First light novel volume cover | |
| デルタとガンマの理学部ノート (Deruta to Ganma no Rigakubu Nōto) | |
|---|---|
| Genre | Mystery |
| Light novel | |
| Written by | Takuma Sakai |
| Illustrated by | Asagi Tōsaka |
| Published by | ASCII Media Works |
| Imprint | Dengeki Bunko |
| Original run | November 8, 2024 – present |
| Volumes | 2 |
Delta to Gamma no Rigakubu Note (デルタとガンマの理学部ノート, Deruta to Ganma no Rigakubu Nōto) is a Japanese light novel series written by light novel series written by Takuma Sakai and illustrated by Asagi Tōsaka. It began publication under ASCII Media Works's Dengeki Bunko imprint in November 2024, with two volumes released as of July 2025.
Plot
The series follows Sho Izuta, a first-year student at Tsuna Nagai High School, a school noted for its focus on the sciences. He is also aiming to revitalize the school's Biology Club. He becomes involved with his classmate Rio Iwama after the two decide to investigate a mystery regarding a popular legend at school. According to legend, students who witness two cherry blossom trees near the school form a heart shape will become a couple. However, after reports spread that no one had seen the heart shape in recent times, the pair decide to investigate further. The two, along with the other members of the Biology Club, also become interested in the school's mysteries, aiming to solve them through the use of scientific methods.
Characters
- Sho Izuta (出田 樟, Izuta Sho)
- A first-year high school student who is interested in biology and plants. He has an introverted personality, but this begins to change after befriending Rio Iwama. He is nicknamed "Delta". He has been friends with Ryuichi since elementary school.
- Rio Iwama (岩間 理桜, Iwama Rio)
- A fellow member of the Biology Club. She is an popular and intelligent student who is interested in mysteries. She loves science to the point that she likes to use it in solving mysteries.
- Ryuichi Mizusaki (水崎 隆一, Mizusaki Ryūichi)
- Sho's childhood friend and a fellow member of the Biology Club. He is interested in chemistry. He and Sho were both members of the Chemistry Club when they were in junior high school.
- Rei Kannabi (甘南備 麗, Kannabi Rei)
- A student with a boyish appearance and a cool personality. She is interested in Japanese.
- Aya Mikage (御影 綾, Mikage Aya)
- A student skilled in mathematics, who has a calm personality.
Publication
The series is written by Takuma Sakai and illustrated by Asagi Tōsaka, both of whom had previously worked together on the light novel series Butareba: The Story of a Man Turned into a Pig.[1] It is published by ASCII Media Works under their Dengeki Bunko imprint. The first volume, titled Yotte, Hatsukoi wa Shōmei Sareta. (よって、初恋は証明された。), was released on November 8, 2024.[2] The second volume, titled Kono Seishun ni, Bekkai wa nai. (この青春に、別解はない。), was released on July 10, 2025.[3] The third volume, Totte Oki no Ronri o, Kimi to. (とっておきの論理を、君と。) is scheduled to be released on January 9, 2026.[4]
| No. | Release date | ISBN |
|---|---|---|
| 1 | November 8, 2024[2] | 978-4-04-915646-1 |
| 2 | July 10, 2025[3] | 978-4-04-916228-8 |
| 3 | January 9, 2026[4] | 978-4-04-916716-0 |
Reception
The series was included in the 2026 edition of Kono Light Novel ga Sugoi!, ranking sixth in the overall paperback category and third in the new release paperback category.[5][6]
See also
- Butareba: The Story of a Man Turned into a Pig, another light novel series with the same author and illustrator
References
- ^ "『豚レバ』コンビが手掛ける新感覚青春ミステリ！ 「科学」が日常の謎を鮮やかに解きほぐす". Da Vinci News (in Japanese). Kadokawa Corporation. November 8, 2024. Retrieved November 29, 2025.
- ^ a b "よって、初恋は証明された。 -デルタとガンマの理学部ノート１-". Dengeki Bunko official website. ASCII Media Works. Retrieved November 29, 2025.
- ^ a b "この青春に、別解はない。 -デルタとガンマの理学部ノート２-". Dengeki Bunko official website (in Japanese). ASCII Media Works. Retrieved November 29, 2025.
- ^ a b "とっておきの論理を、君と。 -デルタとガンマの理学部ノート３-". Dengeki Bunko official website (in Japanese). ASCII Media Works. Retrieved November 29, 2025.
- ^ Cayanan, Joanna (November 27, 2025). "Kono Light Novel ga Sugoi! Book Reveals 2026 Series Rankings". Anime News Network. Retrieved November 29, 2025.
- ^ "このライトノベルがすごい！2026：『転生程度で胸の穴は埋まらない』新作文庫部門2位＆『デルタとガンマの理学部ノート』新作文庫部門3位など電撃文庫が上位を席巻". LN-News.com (in Japanese). November 25, 2025. Retrieved November 29, 2025.
External links
- Light novel official website (in Japanese)