| "Goodbye Sengen" | ||||
|---|---|---|---|---|
 | ||||
| Single by Chinozo | ||||
| from the album The Deluge | ||||
| Language | Japanese | |||
| Released | April 13, 2020 | |||
| Genre | J-pop | |||
| Length | 2:52 | |||
| Songwriter(s) | Chinozo | |||
| Chinozo singles chronology | ||||
| ||||
| Music video | ||||
| "Goodbye Sengen" on YouTube | ||||
| Goodbye Sengen | |
| グッバイ宣言 (Gubbai Sengen) | |
|---|---|
| Genre | Coming-of-age, romantic comedy |
| Light novel | |
| Written by | Midori Sangatsu |
| Illustrated by | Chika Aruse |
| Published by | Media Factory |
| Imprint | MF Bunko J |
| Demographic | Male |
| Original run | October 25, 2021 – present |
| Volumes | 6 |
| Manga | |
| Written by | Midori Sangatsu |
| Illustrated by | Iri Arata |
| Published by | ASCII Media Works |
| Magazine | Dengeki Daioh |
| Demographic | Shōnen |
| Original run | July 27, 2022 – May 27, 2024 |
| Volumes | 3 |
"Goodbye Sengen" (グッバイ宣言, Gubbai Sengen, 'Goodbye Declaration') is a 2020 song written by Japanese music producer Chinozo, utilizing the Vocaloid voice library V Flower. The song is the most viewed Vocaloid song on YouTube with more than 100 million views, and received over 3 billion listens on TikTok by 2022.[1] A light novel adaptation was released on October 25, 2021,[2] and sold over one hundred thousand copies by 2022.[3]
- ^ "john「春嵐」、Chinozo「グッバイ宣言」、すりぃ「エゴロック」…TikTokでのバズから見るVOCALOIDシーンの可能性". Real Sound (in Japanese). 2022-10-09.
- ^ "YouTubeで累計7500万再生超え、SNSで話題沸騰の超人気曲『グッバイ宣言』が小説になって登場！ オリジナルCMや感想キャンペーンも実施中！". PR Times (in Japanese). 株式会社KADOKAWA. 2021-10-25.
- ^ "『グッバイ宣言』が単巻10万部を突破". ラノベニュースオンライン (in Japanese). 2022-06-23.