As we don't have much information about this 'the suicide king story', it's possible that the main character is the king himself. There might also be other characters like his advisors, family members, or enemies who play important roles in the events that lead to the king's situation, whatever that may be.
Since I don't know the exact 'the suicide king story', I can't say for sure who the main characters are.
Without clear details of the 'the suicide king story', we can only hypothesize. The king is likely the central figure. He may have a queen or a mistress who could be involved in some way. His courtiers, knights, and perhaps a wise old man or a witch could also be part of the story. Maybe there's a rival king or a rebel leader who has a role in pushing the 'suicide king' towards his tragic end.
Since I haven't read it, I can't say for sure. But it could be the person on suicide watch and maybe the people looking after them, like a psychiatrist, a nurse, or a family member.
Since I don't know the exact story, it could have characters like the person who is at risk of suicide, the person in charge of the suicide watch, and perhaps family or friends who are also involved in some way.
Since I don't know the exact 'Suicide King Story', I can't tell the main events. It could be about a king's inner turmoil leading to a suicidal decision.
The main characters include Deadshot, Harley Quinn, and Captain Boomerang.
Since I don't know the details of this 'Going Pink: The Suicide Girls Story', I can't say for sure who the main characters are. But it's likely to be the members of the Suicide Girls group.
There are different characters in 'For the King'. You can have a warrior - type character who is strong in combat. There is also often a mage - like character who can use magic to fight enemies or solve puzzles.
In the 'Suicide Squad Graphic Novel', there are several main characters. Harley Quinn is very prominent. Her chaotic and unpredictable nature makes her stand out. Then there's Deadshot, known for his marksmanship. Another important one is Captain Boomerang. He has his unique weapon, the boomerang, and a bit of a wild personality. Rick Flag plays a crucial role in leading and controlling the squad during their missions.
Without having read the 'sss suicide hunter novel', we can only guess. It could be that the main character is a vigilante - like figure who has a personal vendetta against suicide, maybe due to a past loss. There could also be supporting characters such as family members of potential suicide victims or other professionals in the field of mental health who either assist or oppose the actions of the main character in their 'hunt'.
I'm not sure specifically who the main characters are as I haven't read this particular visual novel. But they could be scientists or people who are deeply involved in exploring the concept of quantum mechanics and its implications on life and death, which is related to quantum suicide.
The main characters from the Suicide Squad would likely include Harley Quinn, Deadshot, etc. And from the Justice League, we would expect to see Superman, Batman, Wonder Woman and others.