2 Charaters

JANG Family

Ms. Jang (Jang Yewon): The oldest Jang family

Jang Taeny: The oldest sister

Park Kihoon: Taeny's husband

Park Eunyeon: Tae-hoon's daughter.

Jang Sungho: The second brother

Lee Sojin: Sungho's wife

Jang Taemin: Sung-jin's son.

Jang Nara: The youngest and Yumin's mother.

Han Gia Tuan: Nara's husband and Yumin's father (Gia Linh).

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DIAMOND STAR'S ARTIST

* IOI :

Jeon Somi

Kim Sejeong

Choi Yoojung

Kim Chungha

Kim Sohye

Jung Chaeyeon

Kim Doyeon

Kang Mina

Im Nayoung

Yoo Yeonjung

Joo Kyulkyung

* Wanna One :

Kang Daniel

Lai Guan Lin

Park Jihoon

Ong Seungwoo

Hwang Minhyun

Ha Sungwoon

Lee Daehwi

Bae Jinyoung

Yoon Jisung

Park Woojin

Kim Jaehwan

* IZONE

Kwon Eunbi

Miyawaki Sakura

Yabuki Nako

Kang Hyewon

Choi Yena

Kim Chaewon

Kim Minju

Honda Hitomi

Lee Chaeyeon

Ahn Yujin

Jo Yuri

Jang Wonyoung

* X1

Kim WooSeok

Kim Yohan

Son Dongpyo

Cho Seungyeol

Lee Hangyul

Han Seungwoo

Song Hyeongjun

Lee Eun sang

Cha Junho

Kang Minhee

Nam Dohyun

* Kim Samuel (Solo)