Kigo. Kim and Shego are straight, archenemies, and trapped in an alternate reality, just the two of them. This is how they fall in love.
Kim Possible - Rated: T - English - Romance/Drama - Chapters: 18 - Words: 114,373 - Reviews: 834 - Favs: 2,109 - Follows: 517 - Updated: 10/20/2006 - Published: 5/21/2006 - Kim P., Shego - Complete