Agent 5 (TxT fanfic)

A group of 5 young well known agents (TxT) are given the job of finding a kidnapped teenager named 'Min Seungwoo'. The son of another agent who had enemies in the past. Will they succeed in completing the mission?

Background information and stuff..

They all classify as one. They do everything, every mission, together and are inseparable so they are known as and go by 'Agent 5'. When someone is speaking about one of the boys as individuals, they say "Agent 5.1, 5.2, 5.3, 5.4, 5.5.".
5.1= oldest
5.5= youngest
(it goes from oldest to youngest, 1-5.)

Information about the characters:

Taehyun:
Gender: male
Age: 18 *going by international ages*
Personality: Mature most of the time, can shoot a gun decently but fights with no weapon better

Beomgyu:
Gender: male
Age: 19
Personality: A coward so people aren't sure how he became an agent, Second guesses, he's that one person who is always like "I dOnT ThInK tHaTs a GoOd IdEA"

Huening Kai:
Gender: male
Age: 17
Personality: He messes around at the worst times, a bit sarcastic, a ray of sunshine, youngest

Soobin:
Gender: Male
Age: 19
Personality: He's the leader, Gets them all back on task if they aren't, Makes most of the plans

Yeonjun:
Gender: male
Age: 20
Personality: Good at everything, best fighter, he can hack into systems, oldest

Min Seungwoo:
Gender: male
Age: 18
He's been kidnapped.

Note: This might not be the best story, but it's one I've had in my mind for a bit. If it fails... idk lol.