| "Ichizu/Sakayume" | ||||
|---|---|---|---|---|
 Standard and first press limited editions cover, featuring Rika Orimoto | ||||
| Single by King Gnu | ||||
| from the album The Greatest Unknown | ||||
| Language | Japanese | |||
| Released | December 29, 2021 | |||
| Recorded | 2021 | |||
| Studio | Bunkamura (Shibuya, Tokyo, Japan) | |||
| Genre | ||||
| Length | 3:11 | |||
| Label | Ariola Japan | |||
| Songwriter(s) | Daiki Tsuneta | |||
| King Gnu singles chronology | ||||
| ||||
| Music videos | ||||
| Ichizu on YouTube | ||||
| Sakayume on YouTube | ||||
| Alternative cover | ||||
 Limited edition cover, featuring Yuta Okkotsu | ||||
"Ichizu" / "Sakayume" (一途/逆夢, lit. 'The Only Way' / 'Contradictory Dream'),[1][2] is a Japanese double A-side single by King Gnu. It was released on December 29, 2021, by Sony Music Labels (Ariola Japan). Both songs served as theme songs[3][4] for the 2021 MAPPA film Jujutsu Kaisen 0, with "Ichizu" serving as the opening theme and "Sakayume" as the ending theme. They were performed by King Gnu, who aimed the theme songs to focus on the chaotic relationship between the leads, Yuta Okkotsu and Rika Orimoto, with "Ichizu" having a strong starting point and "Sakayume" being more melancholic.
While the songs were released together, a Blu-ray video was also released featuring more singles from the band. They have appeared in several charts from Billboard Japan. Critical response was also favorable due to how both themes capture Yuta and Rika's tragic relationship, with "Ichizu" standing out due to its speed.
- ^ Mateo, Alex (November 4, 2021). "Jujutsu Kaisen 0 Anime Film's Trailer Reveals, Previews King Gnu's Theme Song". Anime News Network. Archived from the original on November 4, 2021. Retrieved November 5, 2021.
- ^ King Gnu「一途/逆夢」自己最高週間ポイントで、自身初の「合算シングル」1位 『劇場版 呪術廻戦 0』主題歌収録作品【オリコンランキング】. Oricon News (in Japanese). January 7, 2022. Archived from the original on January 6, 2022. Retrieved January 6, 2022.
- ^ King Gnuが「呪術廻戦 0」に主題歌書き下ろし、予告編で音源解禁. Natalie（natalie.mu） (in Japanese). Natasha Inc.'s Music Natalie Editorial Department. November 5, 2021. Retrieved November 5, 2021.
- ^ "Music｜『劇場版 呪術廻戦 0』公式サイト". jujutsukaisen-movie.jp (in Japanese). Retrieved November 5, 2021.