You need to have a deep understanding of the original work's world and characters. Come up with a unique and interesting plot that fits within that framework.
First, understand the key elements of both the 'How Not to Summon a Demon Lord' and the other universe you want to crossover with. Then, find a compelling plot point that combines them. Maybe it's a shared magical artifact or a mysterious event that ties the characters together. Also, make sure the character interactions are fresh and engaging.
To create a love story in it, you need to pay attention to character development. Let them overcome challenges together and reveal their true feelings over time. Also, build up the chemistry and tension between the potential couples.
A key aspect is to balance the elements from 'How Not to Summon a Demon Lord' and the other work. Make sure the crossover makes sense and adds something new and exciting without feeling forced or out of place.
To create a great crossover for 'How Not to Summon a Demon Lord', start by considering the themes and tones of the source material. Find common elements or contrasts that can drive the story. Also, pay attention to maintaining the consistency of character personalities and world-building rules.
To avoid that, make sure you stick closely to the original world-building and character traits. Don't stray too far from the established lore.
The fanfiction likely combines elements and characters from both 'Naruto' and 'How Not to Summon a Demon Lord' in creative ways to tell a new story.
You should avoid writing lemon fanfiction for How Not to Summon a Demon Lord by concentrating on developing interesting plotlines and character relationships within the framework of the original story's style and intended audience. Don't introduce elements that would change the essence or violate the spirit of the source material.
To discover quality 'How Not to Summon a Demon Lord' fanfiction, try searching on dedicated fanfiction archives. You could also join online communities dedicated to the series and ask for suggestions. Sometimes, authors themselves will promote their best works on their social media profiles, so that's worth checking out too.
To create an interesting OC for summoning in Fate Stay fanfiction, start with their abilities. You could give them a special power related to nature if you want them to be different from the common servants. Their appearance also matters. It should reflect their character and origin. For instance, if they are from a cold region, they might have pale skin and white hair.
First, you need to have a deep understanding of the original work's characters and world. Then, come up with an interesting plot that fits within that framework.