Kim Seokjin
38 years old
Acts like the mother to everyone
Knows about Yoongi's moonshining business
Tries to keep the boys out of trouble
Yoongi's brother

Jung Hoseok
27 years old
The crazy person in Busan
Skins critters and blows shit up for a living
Helps the Maknae's when explosions are involved

Kim Namjoon
26 years old
The mechanic of Busan
Only ever had nine tows in two years eight of them being Taehyung
Can fix a car in under two days with the help of friends

Min (Uncle) Yoongi
36 years old
Maknae's uncle
Has a moonshining business and it's a good business
Been living on his farm for over 30 years
Built the farm with his family with only a bucket and two nails

Park (Maknae) Jimin
23 years old
The sexy cousin
Can turn a straight man gay
Doesn't like the attention he draws
Only flirts with guys when his cousins are in trouble (he hates it when they are)
Loves his little cousin until he has to shake his ass in front of a man to get them out of trouble

Kim (Maknae) Taehyung
22 years old
Best driver all over Busan
Loves his car General V
Can be crazy with his cousin Jungkook and Jimin
Has a four win streak of the Busan Race

Jeon (Maknae) Jungkook
21 years old
Follows his cousin Tae everywhere just to make sure he doesn't make stupid decisions
Loves exploding shit
Not a trusted driver (well can't be at least)

Tzuyu
22 years old
Jungkook's one nighters until she left to Seoul for college.
She loves the Maknae's in a general sense
Knew them since they were brought to work for Yoongi after getting arrested at their old town
Taehyung's crush

General V
Taehyung's baby
No one touch it, don't even look at it
Had him since Taehyung was 15
Won his first race at 18 with the help of Taehyung controlling him

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If you haven't noticed Maknae is just a nickname for the three boys. But it will be used often.