Jesse

Hair of Gold, Heart of Gold: He dyed his hair blonde but he is protective of his bandmates and is very reasonable.
Team Dad: He is the oldest of the 4*Town members and acts like a dad to them. He even has two kids of his own.

Tae-young

Abusive Parents: He was kicked out of his home for his gender identity.
Adaptational Gender Identity: He is a transgender male, which is never mentioned in the original.
Friend to All Living Things: Especially explored in "Animal Friends". Forest critters come to to 4*Town's cabin just to see him and he bandages an injured squirrel's leg.
The Baby of the Bunch: He's the youngest of the 4*Town members.
Dude Looks Like a Lady: T mistakes him for a girl when he meets him due to his long hair.
Hair of Gold, Heart of Gold: He only dyes his hair blonde but he is sweet, sensitive, and loves animals.
Prone to Tears: Being the youngest and most sensitive, he tends to tear up more than the others.
Weight Woe: As shown in the chapter "Just the Way You Are" he is self-conscious about his weight due to his parents' perfectionism, until Jesse says he loves him for who he is.

Adaptational Sexuality: He is T's boyfriend in this story.
Deadpan Snarker: Tae says he snarks when the other members are being goofy in "Surface Pressure".
I Just Want to Be Special: In "Surface Pressure" he feels he is not as unique as the other 4*Town members.
Middle Name Basis: T's mother calls him by his middle name Kuo.
Not So Stoic: He ends up crying because of worrying over T's pneumonia and briefly tears up when he thinks he's not as special as the others.
Only Known by Their Nickname: He and his boyfriend T are only called by their last name initials due to both being named Aaron.
The Stoic: He is very calm and level-headed.

Adaptational Sexuality: He is Z's boyfriend in this story.
Only Known by Their Nickname: He and his boyfriend Z are only called by their last name initials due to both being named Aaron.
Red Oni, Blue Oni: He is the goofy jokester to Z's calm and sarcastic personality.