One common theme is redemption. Many fanfictions try to give Sangwoo a chance at redemption, to break away from his violent tendencies and find a more positive path with Yoonbum.
One popular 'Killing Stalking Sangwoo x Yoonbum fanfiction' is 'A Different Ending'. It explores an alternate path for the two characters where they gradually learn to heal each other's traumas. Another great one is 'The Road to Redemption' which delves deep into their complex relationship and how they might overcome the darkness in their lives.
Killing Stalking exists in both manga and anime forms. The manga provided the basis for the anime adaptation. However, both have their unique characteristics and might appeal differently to viewers depending on their preferences.
Popularity of 'Killing Stalking' lemon fanfictions is likely to be relatively low. The nature of the original work is already quite extreme and controversial. Many fans would rather engage with fanfictions that add depth to the story, such as exploring the backstories of the characters or alternative endings. Moreover, the idea of 'lemon' fanfictions can be off - putting to a large number of people, so it's not likely to be a mainstream part of the 'Killing Stalking' fanfiction community.
One popular 'Killing Stalking' fanfiction might be those that explore alternative endings. For example, some fanfictions could give the characters a chance at redemption or a more positive outcome. They might rewrite the story to make it less dark and more about the characters' growth and recovery from their traumas.
Killing Stalking is a dark and disturbing manga with intense and complex themes. It involves elements like obsession, violence, and psychological trauma.