이 별로부터 (Unknown Planet)이 별로부터이 별로부터
IU's single 'Unknown Planet', released at 6pm KST on 10 September 2026. Its two songs, 'Unknown Planet' and 'Dear my crazy soulmate', are both title tracks, and IU wrote the words to both.
‘Unknown Planet’ (이 별로부터) is a single by IU, released at 6pm KST on 10 September 2026. It carries two songs — ‘Unknown Planet’, which shares the record’s name, and ‘Dear my crazy soulmate’ — and the album information on Bugs marks both of them as title tracks. IU wrote the words to both. The running time is six minutes and 21 seconds; Kakao Entertainment distributes the record and EDAM Entertainment is the label.
‘Unknown Planet’ was composed by 구름 (Gureum) and SUMIN and arranged by 구름, with IU and SUMIN on backing vocals. ‘Dear my crazy soulmate’ was composed by Maia Wright, Amanda Cy, Hannes Roovers and Isac Hördegård, and arranged by Medium.
The single is a pre-release from a sixth full-length album still to come. Economy Queen reported that the album is due to be her first full-length record in about five years, since LILAC in 2021. It is her first new song since 바이, 썸머 (Bye, Summer) in September 2025, a year earlier.
Herald Muse reported that on the day of release ‘Unknown Planet’ reached number one on Melon HOT100 (the 30-day and 100-day charts) and on Genie TOP200 and the Bugs realtime chart, and number two on Melon TOP100. ‘Dear my crazy soulmate’ reached number two on Melon HOT100 and the Bugs realtime chart the same day, and number three on Genie TOP200.
The same outlet reported that, as of 7am on 11 September, ‘Unknown Planet’ was number one on the iTunes top songs charts in Singapore and Taiwan and number two in Hong Kong, the Philippines and Sri Lanka, entering 16 country and territory charts in all, while ‘Dear my crazy soulmate’ entered nine, among them a number one in Sri Lanka.
The music video for ‘Dear my crazy soulmate’ went up on the 이지금 [IU Official] channel on 10 September, the day the record was released. Etoday reported that the actors Kim Young-ok and Na Moon-hee appear in it alongside IU, Shim Dal-gi and Lee Som, and that it follows Young-ok, who gets herself into prison by a roundabout method to meet a friend she can no longer spend a birthday with, and Moon-hee, who works there as a warder. Sports Kyunghyang’s English edition reported that Shim Dal-gi appears as a police officer.
The music video for ‘Unknown Planet’ is due on 16 September.
Claims in this story link to official or primary sources.
IU released the digital single 'Unknown Planet' at 6pm KST on 10 September 2026. It carries two title tracks — 'Unknown Planet' and 'Dear my crazy soulmate' — and she wrote the words to both. Herald Muse reported that 'Unknown Planet' was number one on Melon HOT100 and Genie TOP200 on the day of release.
Translated from the Korean original.
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