Here are a few stories that I have read and absolutley love!!! You guys should seriously check them out! 

p.s I don't read otp stories; all of these stories have an original charactor as the main

Jr and Chanyeol

http://www.asianfanfics.com/story/view/880331/finding-haven-comedy-drama-romance-romcom-originalcharacter-chanyeol-jinyounggot7

Sehun

http://www.asianfanfics.com/story/view/827394/3-blue-spring-comedy-romance-schoollife-originalcharacter-exo-luhan-sehun

Kai

http://www.asianfanfics.com/story/view/904400/maid-action-comedy-originalcharacter-exo-kai

Yonghwa

http://www.asianfanfics.com/story/view/886490/falling-for-my-neighbor-cnblueyonghwa

Mark

http://www.asianfanfics.com/story/view/711197/living-with-got7-originalcharacter-got7-marktuan

Chanyeol

http://www.asianfanfics.com/story/view/367026/the-boy-who-believes-in-fairies-fairytale-you-fairy-originalcharacter-exok-chanyeol

Sehun and D.O

http://www.asianfanfics.com/story/view/458495/sea-souls-mermaid-s-tears-fantasy-mermaid-exok-sehun-kyungsoo-exodo

Luhan

http://www.asianfanfics.com/story/view/209991/silver-heart-drama-romance-exo-exom-luhan