"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]

"Goodbye Sengen"
Single by Chinozo
from the album The Deluge
LanguageJapanese
ReleasedApril 13, 2020 (2020-04-13)
GenreJ-pop
Length2:52
Songwriter(s)Chinozo
Chinozo singles chronology
"Canary's Lament"
(2020)
"Goodbye Sengen"
(2020)
"Arisama"
(2020)
Music video
"Goodbye Sengen" on YouTube
Goodbye Sengen
グッバイ宣言
(Gubbai Sengen)
GenreComing-of-age, romantic comedy
Light novel
Written byMidori Sangatsu
Illustrated byChika Aruse
Published byMedia Factory
ImprintMF Bunko J
DemographicMale
Original runOctober 25, 2021 – present
Volumes6
Manga
Written byMidori Sangatsu
Illustrated byIri Arata
Published byASCII Media Works
MagazineDengeki Daioh
DemographicShōnen
Original runJuly 27, 2022 – present
Volumes2

Background edit

Influenced by Japanese Vocaloid music producer Harumaki Gohan and MikitoP [ja], Chinozo started create Vocaloid music. Attracted by Japanese illustrator Chika Aruse's illustrations posted on Piapro, he decided to collaborate with Chika Aruse to create a Vocaloid music video.[4] In an interview, Chinozo said the situation was "becoming dark" due to the spread of the COVID-19, so he wanted to make some upbeat music.[5]

Music and lyrics edit

"Goodbye Sengen" is a fast-paced rock song with a tempo of 170 beats per minute,[6][7] and the vocal range spans from mid2C to hihiC.[8] The beginning of B-melody features the "Lu-lu-lu" hook.[9] The lyrics strongly recognise hikikomori, with a famous lyric "Hikikomori, bloom out of season!"[10][9] Besides, the lyrics also express the pain of loneliness.[9] In a trending topic on Twitter in 2021, participating tweets describing the lyrics of the songs as "yandere" and "scary".[11]

Music video edit

The illustration of the music video for "Goodbye Sengen" was drawed by Japanese illustrator Chika Aruse, featuring a signature gesture, which was designed together by Chinozo and Aruseee.[12] The gesture shows the right hand touching the index finger with the thumb, rotating behind the head, while the left hand making the V sign towards the right hand.[13] Japanese singer Sou [ja] hailed the illustration as "kawaii, fashionable, and coolness coexist".[12]

Reception edit

Multiple singers, YouTubers, and VTubers have uploaded cover versions. A derivative finger dance popular among TikTok.[13] Chinozo has also released his own cover version on July 31, 2020.[14] By October 2022, the music video received 760,000 views and over 3 billion listens on TikTok, with used as background music in 310 thousand videos, including multiple "I tried dancing to" videos.[1]

In August 2021, it surpassed the music video for "Suna no Wakusei" by Kenshi Yonezu, becoming the most viewed Vocaloid song on YouTube.[13] On July 26, 2022, the song reached 100 million views on YouTube, unprecedented for Vocaloid songs.[15]

On April 28, 2023, the song won a bronze medal at the NexTone Award [ja] 2023.[16] In May, the song was nominated for three categories of Independent Artist Awards by TuneCore Japan that Top Streaming Music of the Decade, Top UGC Music 2022, and The Best Music Video 2022.[17]

Chart performance edit

On March 4, 2021, "Goodbye Sengen" reached fourth place on Spotify's "Viral 50 - Japan" chart.[18] The song ranked at number two on the Billboard Japan Top User Generated Songs chart on March 17,[19] and topped the Billboard Japan Heatseekers Songs chart for two consecutive weeks.[20] The song also topped the TikTok Hot Song Weekly Ranking chart five times.[21]

The song topped the TikTok Hot Song Weekly Ranking chart in the first half of 2021,[22] and ranked fourth in Top User Generated Songs chart for year-end 2021.[23] It also topped the annual music chart "TikTok Trends 2021" released by TikTok at the end of 2021 with 3.25 billion views.[24]

Charts edit

Release history edit

Release dates for "Goodbye Sengen"
Region Date Format
World April 13, 2020[31]

Other media edit

Light novel edit

A light novel adaptation is written by Midori Sangatsu, illustrated by Chika Aruse, and supervised by Chinozo. It began publication on October 25, 2021 by Media Factory under their MF Bunko J imprint.[2] The novel series mainly tells the story of high school students Kiritani Kakeru and Nanase Rena.[10] The sequel volume "Shamer" was released in April 2022 and tells the story of "Goodbye Sengen" four years later.[3] And the third volume "Elite" is written from the perspective of Saki Ayase, a model student in class.[40]

In the first week of its release, the novel ranked 5th on the Oricon Light Novel Weekly Chart with a sales volume of 7,424 copies,[41] and kept this ranking with a sales volume of 6,977 copies in the next week.[42] And reached third place on the Japanese Rakuten BOOKS Light Novel Weekly Chart,[43] with ranked ninth in the bunkobon category of the "Next Light Novel Award 2022" held by Kadokawa's "Kimirano".[44] It also ranked in the top 20 of Tsutaya's monthly light novel sales chart for 7 consecutive months. By June 2022, it sold over one hundred thousand copies.[3]

No. Title Release date ISBN
1Goodbye Sengen (グッバイ宣言)October 25, 2021[45]978-4-04-680840-0
2Shamer (シェーマ)April 25, 2022[46]978-4-04-681363-3
3Elite (エリート)October 25, 2022[47]978-4-04-681830-0
4TAMAYAApril 25, 2023[48]978-4-04-682401-1
5Shotgun Nauru (ショットガン・ナウル)October 25, 2023[49]978-4-04-682989-4
6Cheese (チーズ)April 25, 2024[50]978-4-04-683543-7

Manga edit

A manga adaptation was announced in December 2021.[51] Illustrated by Iri Arata, it began serialization in ASCII Media Works' Dengeki Daioh magazine on July 27, 2022.[52]

No. Release date ISBN
1 January 27, 2023[53]978-4-04-914838-1
2 September 26, 2023[54]978-4-04-915260-9
3 June 26, 2024[55]978-4-04-915753-6

Audio drama edit

A audio drama adaptation by Kiki Anime under STUDIO koemee started airing in August 2022.[56] It stars Minori Suzuki as Nanase Rena and Setsuo Itō as Kiritani Kakeru.

References edit

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  2. ^ a b "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.
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External links edit