KPOP DISCOVER

ICHILLIN' · Pre-release single · 2025

Glass Heart

A 1-song single released ahead of “WILD CHERRY”. As the way into the recent EP, it becomes the first song leading to “XL (Extra Love)” at the end of the 7th month.

  • 1Tracks
  • 2:58Total duration
  • 07.022025 Released
ListenApple MusicOpen store page
ICHILLIN'“Glass Heart” cover artwork
Pre-release single · KM ENT.,under license to Kakao Entertainment

Release facts

Release format, tracks, chronology and official videos.

ICHILLIN'’s “Glass Heart” is a Pre-release single released on 2025-07-02 for Korea / global. Release 12 of 13 in the same market, following “Prequel” by 222 days. 1 track; title track: Glass Heart; total duration: 2:58. Genre: K-Pop. Label: KM ENT.,under license to Kakao Entertainment. 0 official videos; physical edition available.

Tracks

All 1 tracks, with durations, title tracks, writing credits and official videos.

#TrackDurationCreditsVideos
1Glass HeartTitle track2:58Not confirmed—

Listen and buy

Listen on streaming services or buy a CD. Compare editions, bonuses, shipping costs and sellers before ordering.

Listen on streaming services

SSpotifyAApple MusicaAmazon MusicYYouTube Music

Direct links open the release. Search links open the service’s search results.

CDs and merchandise

CDJapanInternational editions. Check bonuses, shipping origin and delivery costs.
Before you buy

For ICHILLIN'’s “Glass Heart”, compare editions, store bonuses, shipping and sellers. Check that the store offers an authorized release.

Frequently asked questions

What is the title track of Glass Heart?
The title track of ICHILLIN'’s “Glass Heart” is “Glass Heart”.
How many tracks are on Glass Heart?
“Glass Heart” contains 1 tracks.
When was Glass Heart released?
“Glass Heart” was released on 2025-07-02.
What type of release is Glass Heart?
“Glass Heart” is a Pre-release single.
Where can I listen?
Open the release on Apple Music.
How long is Glass Heart?
The total duration is 2:58.