Well, one way is to have the character sacrifice themselves for a greater cause. This gives their death meaning and can add depth to the story. Another option is to have them killed by a powerful enemy, creating a sense of danger and loss. Also, you could build up to the death gradually, showing their decline or making them face impossible odds that lead to their inevitable end.
One way to do it is to give the character a terminal illness or have them make a heroic sacrifice. Another option is to have a villain succeed in their evil plot against the character. But it's important to make the death meaningful and impactful to the story.
One way to kill a character is to build up to it gradually. Introduce elements that hint at their potential demise and then have it happen in a climactic moment. This makes the death feel more earned and less random. Another option is to have their death serve as a turning point for the plot, driving the story in a new direction.
First, focus on his unique personality traits. Since he was originally a sentient piece of clothing, he might have an innocent and curious view of the world in human form. For instance, his reactions to simple things like rain or snow could be really interesting. He might be amazed by the feel of raindrops on his skin, which is a new experience for him.
We can't really tell who the main character is with just the name 'orphan first kill story'. It might be the orphan, as they are the focal point of the initial event. But it could also be a character who witnesses the killing and is then driven by that experience to change or take action. Maybe it's a story that has multiple main characters, such as the orphan, the killer, and a person who tries to expose the truth about the killing. Without more information about the actual story, it's all speculation.
The main character in "The Number One Killer God of Online Games" was called 'Kill, Kill, Dance.' I recommend this book to you. It looks very interesting. I hope you like this fairy's recommendation. Muah ~😗