GROUP PROFILE
ICHILLIN
Seven women, one tiny company, and a discography that keeps wandering into the room with better songs than its promotional budget knows what to do with.
Meet the members
Jiyoon
Main Vocalist
E.Ji
Leader, Main Dancer, Sub Vocalist
Jackie
Main Rapper, Lead Dancer
Joonie
Lead Vocalist, Lead Rapper
Chaerin
Main Vocalist
Yeju
Lead Dancer, Sub Vocalist, Visual, Center
Chowon
Main Dancer, Sub Vocalist, Maknae
Quick file
The name, the greeting, and Willing
ICHILLIN combines Aisling, an Irish word associated with a dream or vision, with “chillin.” The official greeting is “If you’re CHILLIN? I’m Chillin!” It is cute in the specific K-pop way where a sentence is both a slogan and a small vocal warm-up.
The fandom name Willing was announced in December 2021 after fans voted among candidates suggested by the members. The idea is mutual: ICHILLIN want to give fans their best, while fans are willing to support the group. Simple, sweet, and far easier to explain than half the fandom names currently requiring a lore document.
History without pretending the road was smooth
KM Entertainment introduced ICHILLIN in 2021 with E.Ji, Jackie, Joonie, Chaerin, Yeju, Chowon, and Sohee. They debuted with Got’Ya, followed quickly by Fresh. Their first mini album, Bridge of Dreams, arrived in 2022 with “Play Hide & Seek,” while “La Luna” quietly became one of those fan-favorite B-sides that refuses to stay buried.
Sohee left the group in July 2022. Jiyoon, known to viewers of Girls Planet 999, joined in October and first recorded with the group for “Draw (My Time)” in November. That change created the current seven-member lineup. The group held its first concert, Your Time, in December 2022.
From there, ICHILLIN kept moving through “Alarm,” “Siren,” I’M ON IT!, “Kick-Start,” “Bite Me,” “Demigod,” “Feelin’ Hot,” “On My Lips,” and “Official.” The releases did not all chase the same sound. That is part of the appeal. They can do sunny pop, guitar-led summer music, polished dance tracks, and a darker performance concept without looking like seven people borrowed the wrong comeback.
In 2025, “Glass Heart” opened a softer band-pop window before the fourth mini album WILD CHERRY arrived with “XL (Extra Love).” The title track finally gave the group a full summer comeback built around a large, shameless crush.
What actually makes them ICHILLIN
The easiest answer is performance. E.Ji, Yeju, and Chowon give the choreography a clean center of gravity. Jackie and Joonie can flip a bright song into something cheekier the moment a rap line arrives. Jiyoon and Chaerin keep the vocals from turning into decorative frosting. The group is strongest when the arrangement lets those differences stay visible.
They are also good at material that sounds easy until you try to perform it. “XL” is breezy, but the chorus depends on the lower “XL, XL, XL” phrase answering the brighter vocal line. “La Luna” works because the members do not overplay its mood. “Kick-Start” needs timing, not just energy. They sell details.
Start here
- Got’Ya: the debut, full of restless rookie energy.
- La Luna: the fan favorite with a long afterlife.
- Kick-Start: bright pop with actual momentum.
- Demigod: darker and more dramatic without losing the group.
- Glass Heart: summer band-pop that lets the voices breathe.
- XL (Extra Love): enormous crush, tiny lemon, very effective chorus.
Former member
Sohee debuted with ICHILLIN and participated through Bridge of Dreams. She left the group on July 15, 2022. She belongs in the history, not erased from the photo album, but the active group today is the seven-member lineup above.
Official links
Receipts and further reading
Profile facts were checked against the group’s official channels, KBS World, Kprofiles, Kpopping, Korean release coverage from Kstyle, and the group’s release catalog. Individual pages link their own supporting sources.
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