-1 Characters Might contain spoiler

Main Leads:

Han Sung-Jun:

Birthday: June 5th, 1999;

Height: 5'11" or 180cm

Position: Main Vocalist, Sub Dancer, and Leader

Idol Group: Unlimited

Agency: ZC (past), Echo (present)

The male protagonist of the novel. The leader of "Unlimited." He is tall, white-skinned on the outside with no tan, slightly tanned inside the shirt with six-pack chocolate abs, and has hazel eyes. Born with Jet black hair. Extremely hard working person and a little bit arrogant inside because of possessing the ultimate Kpop system. He treats himself and lives as Jun and thinks old Jun's family is his family because of possession. Always wears loose XXL or XXXL size t-shirts to appear like a lean young man with no mass.

Important side Characters:

Kang Min-Su:

Birthday: May 30th, 2001;

Height: 5'9" or 175cm

Position: Main Dancer and Sub Rapper

Training Period: 1 year 5 months

Member of "Unlimited". A good friend of Han Sungjun and became an idol together with him. Respects Sungjun very much and treats him like a brother. He's nice to everyone but was extremely competitive regarding dance. He's slightly tanned with black eyes and born with brown hair but no way less handsome than Jun, if he wears lenses.

Lee Min-Ho:

Birthday: September 27th, 2001;

Height: 5'8" or 173cm

Position: Main Rapper and Sub dancer

Training Period: 2 years 11 months

Member of "Unlimited." Being a rapper, he's a stylish person. He changes his hair color and style as well as his dressing style, very often. Good to everyone and a positive thinking person. He isn't a competitive person even though he started to worry if anyone does better than him. He's the shortest person in the group and also lack physical strength and don't exercise much. He loves to sleep. Like other idols, he is a handsome one with everchanging lenses and hair. Although, he was born with brown eyes and black hair.

Pak Hae-Seong:

Birthday: November 1st, 2002;

Height: 5'10" or 178cm

Position: Lead Dancer and Sub Vocalist

Training Period: 2 years 3 months

Member of "Unlimited." Quiet person. Never opens his mouth unless when being asked or when it's really necessary. He has also less presence in the group. He neither complains nor praises. He just keeps everything to himself and hesitates very much. A genius in dancing but was always behind Minsu because of hesitation. He was also fond of working out and have abs. Slightly tanned and have dark brown eyes. He was short-sighted and wear lenses.

Hwa Do-Hyun:

Birthday: December 25th, 2003;

Height: 5'9" or 175cm

Position: Lead Vocalist, Lead Rapper, Sub Dancer

Training Period: 4 years, 4 months

Maknae of the "Unlimited" Idol group. Hyperactive person. His mouth never stops and always gets excited about every little thing. Less talented than others but very hardworking. He never gets depressed and his determination is always high. His father also works in the Entertainment industry for the past 20 years and has a lot of connections. A jack of all trades and multi-talented. He can do rapping, singing, or dancing and is proficient with various instruments like piano, guitar, violin, etc... He has black hair and light brown eyes.

Han Yung-Ja:

Birthday: September 21st, 2003;

Height: 5'4" or 163cm

Position: Main rapper

The little sister of Han Sungjun and a member of the "Sparkle" Idol group. She loves her brother, very much. Just like her brother, she's white-skinned and beautiful with brown eyes and was born with jet black hair. Very protective of her brother. Often get teased by her friends as someone with a brother complex because of that. Highly resembles younger Dahyun of Twice.

Sa Na-Young:

Birthday: July 6th, 2000;

Height: 5'4" or 164cm

Position: Main Vocalist and Leader

Leader of the Sparkle Idol group. She loves to tease her roommate, Han Yungja, at all times. She was born with double eyelids. Have large black eyes and black hair, although she tends to keep it brown. The most unique feature of her is that she has large two large front teeth, which makes her look like a cute rabbit. Highly resembles Nayeon of Twice. She mistakenly believes that she has a crush on Han Sungjun and behaves awkwardly around him after that.

Wu Yunseo:

Birthday: April 25th, 2002;

Height: 5'3" or 161cm

Position: Main dancer and Lead Rapper

Member of the Sparkle Idol group. She often tries to tease Han Yungja, along with Nayoung, whenever the topic of Sungjun appears. She is also considered as the face of the group and a bubbly girl. She's mostly described as pretty but she loves to be on the cute side. Whenever she pouts or do aegyo, etc... she looks like a cute duckling. Highly resembles Choi Yena of Izone.

Lee Yu-Jin:

Birthday: March 29th, 2004;

Height: 5'4" or 163 cm

Position: Lead dancer and Lead Vocalist

Maknae of Sparkle Idol group. She doesn't talk very much and luckily, even being maknae, she isn't the target of the teasing. Even if one teases her, it would take a long time before she realizes it. Slow witted and looks cute. She always asks the obvious questions. Highly resembles Yooa of Oh My Girl.