Midnight Sun (JO1 EP)
| "Midnight Sun" | ||||
|---|---|---|---|---|
| Normal and digital special edition cover | ||||
| Single by JO1 | ||||
| from the album Equinox | ||||
| Language | Japanese | |||
| A-side | "SuperCali" | |||
| Released | October 15, 2022 | |||
| Recorded | 2022 | |||
| Genre | J-pop | |||
| Length | 
 | |||
| Label | Lapone Entertainment | |||
| Producer(s) | 
 | |||
| JO1 singles chronology | ||||
| 
 | ||||
| Music video | ||||
| "SuperCali" on YouTube | ||||
Midnight Sun (stylized in all caps) is an extended play (EP) marketed as the sixth single of Japanese boy band JO1. It also served as the lead single for their third studio album, Equinox (2023). The EP single includes four songs and four instrumental tracks and was released digitally by Lapone Entertainment on October 10, 2022, with the three physical editions following on October 12, 2022. It features the group's frequent collaborators such as Teito, Jung Ho-hyun, Full8loom, Nmore, and Poptime.
Midnight Sun became JO1's sixth single to top the Oricon Singles Chart and first single to sell over 600,000 copies sold in its first week, according to Billboard Japan. The lead track "SuperCali" became the group's first song that spent two weeks in top six of Japan Hot 100.