
ILY:1 [아일리원 – アイリーワン]
- Debut (Y-M-D): 22-04-04
- Label: FCENM
- Music Videos:
- Korean MVs: Love In Bloom (사랑아 피어라), Que Sera Sera (케세라세라), Thanks To… (Special Film), Twinkle Twinkle (별꽃동화)
- Albums:
- Korean:
- Digital Single: Thanks To… [Pre-Release] (2022)
- Single Album: Love in Bloom (2022), Que Sera Sera (2022)
- Mini Album: Dream Of ILY:1 (2023)
- Korean:
- Fan Name: Only:1 (온리원)
- Logo:

Members:

- Stage Name (Hangul): Hana (하나)
- Position: Main Dance, Vocal
- Represented by: Lemons
- Real Name: Hayase Hana (早瀬 華)
- Birthday (Y-M-D): 00-02-27
- Nationality: Japanese
- Height: 165cm
- Blood Type: N/A
- Formerly in: Orange Latte

- Stage Name (Hangul): Ara (아라)
- Position: Vocal
- Represented by: Cherries
- Real Name: Lee Yunji (이윤지)
- Birthday (Y-M-D): 02-01-23
- Nationality: Korean
- Height: 158cm
- Blood Type: N/A

- Stage Name (Hangul): Rona (로낲)
- Position: Vocal
- Represented by: Tomatos
- Real Name: Chang Ching (張競)
- Birthday (Y-M-D): 02-06-05
- Nationality: Taiwanese
- Height: 165cm
- Blood Type: N/A
- Formerly in: AKB48 Team TP (TPE48)

- Stage Name (Hangul): Ririka (리리카)
- Position: Vocal
- Represented by: Apples
- Real Name: Kishida Ririka (岸田 莉里花)
- Birthday (Y-M-D): 02-07-02
- Nationality: Japanese
- Height: 162cm
- Blood Type: N/A
- Formerly in: Orange Latte as Riri

- Stage Name (Hangul): Nayu (나유)
- Position: Leader, Main Vocal
- Represented by: Oranges
- Real Name: Kim Yewon (김예원)
- Birthday (Y-M-D): 02-07-23
- Nationality: Korean
- Height: N/A
- Blood Type: N/A

- Stage Name (Hangul): Elva (엘바)
- Position: Rap, Maknae
- Represented by: Grapes
- Real Name: Lee Yonghwa (이용화)
- Birthday (Y-M-D): 03-05-05
- Nationality: Korean
- Height: N/A
- Blood Type: N/A
Social Media + :
Members:
- Hana: IG- h.hana__0227_
- Ara: IG- ma_li_mo_0123
- Rona: IG- hellomila_0605 | Weibo
- Ririka: IG- noguririka
- Nayu: IG-
- Elva: IG- ew_0505 (private)