Lately looking, I come to find only 12 Deidara x Sai fanfiction. And I come to think there should be more and lol no doesn't have to be yaoi.
I found a great fanficton and yes its non-yaoi.
1. Bonds » by Maria Rianki reviews Sai had always wanted to understand bonds. That was why he had teamed up with Naruto; but when a seemingly normal mission goes wrong, he ends up learning about bonds from the least likely group of people: The Akatsuki. Non yaoi/slight NaruHinaRated: T - English - Angst/Friendship - Chapters: 5 - Words: 27,605 - Reviews: 8 - Updated: 2-10-11 - Published: 1-30-11 - Sai & Deidara
Found any interesting Sai and Deidara fanfiction or just Deidara and Sai?