I'm not sure what the specific 'arti chotu love story' is. Maybe it's a story between two people named Arti and Chotu. Without more details, it's hard to say more about it.
One characteristic is that they often focus on the strong friendship among the SHINee members. They show how they support and care for each other through various fictional scenarios.
One of the best Shinee fanfics could be 'The Shinee World' which delves deep into the members' relationships and their journey in the music industry. It's filled with heartwarming moments and great character development.
I'm not very familiar with the specific love story of Arti Singh and Siddharth Shukla. Maybe they are known in a particular community or context that I'm not fully aware of.
I'm not entirely sure specifically what '2shinee1 fanfic' is about as it could be a very unique or fan - created concept. It might be a fanfic (fan fiction) related to the K - pop group Shinee. Maybe it involves some sort of alternate story with two members of Shinee in a particular situation with another element represented by '1' which could be another character, a concept or something else.
One common theme is friendship. Given that both groups are popular in the K - pop world, fanfics often explore the idea of members from Apink and SHINee becoming friends. For instance, they could meet backstage at a music show and start sharing their experiences in the industry, which then develops into a strong bond.
There are 'shinee fanfiction' stories that focus on their music career in a fictional way. Maybe they form a band in a completely different setting, like in a post - apocalyptic world where music is the only hope to bring people together. Some also like the ones where they time - travel and experience different eras while still being part of SHINee.
One common theme is his musical talent. Fanfics often explore how his music affects others. Another theme is his kindness. For example, stories might show him being really friendly to fans.
I'm not sure specifically as there could be many different fanfics with this title. It might be about some sort of fictional conflict or drama within the SHINee fandom on the internet.
Another theme is the idea of collaboration. Fanfics like to imagine what it would be like if 2ne1 and Shinee worked on a song or a performance together. This could involve creating a unique musical style that combines the best of both groups.