let me explain, its starts as a foreign book about a superhero, in 1 book he finds a girl who than gets her own book serie, that a new girl gets a book with a crosover and than a 4the kid gets his book, after that there are 4 books were the 4 heroes unite and in 1 of them there is even a new boy.
The heroes are : GHOST, aboy in a suit that can get trough walls and become invisible
Medusa, a girl with snakes as hair, that she use to protect people.
Nordlys, a woman who get fly and use light as blasters
Skjold, a boy with a band that cause him to became a hulk of a man
the last is Blitz, a boy who can controll matter.
I have checked all the books in this serie(i think i did) and only 4 book series of the 6 gets treatment
Ghost
book 1, he finds his little sister tied to a chair
Book 3, he finds Nordlys getting handcuffed
Book 4, he finds ether his parents or the parents of his love intrest tied up, when going upstairs he finds ether his sister or his love intrest bound and tape gagged(the gag is not shown but the books says it is)
Book 6, a monster use oli to grap his father and his sister, the monster than kidnaps his sister who he finds chained to a chair
Medusa
Book 5, Medusa got arrested and is shown mostley with handcuffs
book 6, after getting captured by a evil profesor she gets cuffed to a bed
Nordlys
Book 1, first the main girl and than her friends and family get captured by a monster
Skjord
Book 2, the main guy gets captured after his school gets taken hostage
Book 3, the main guy gets hacked and the hacker locks up his love intrest who is shown on cameras with her hands bound
