Looking for yaoi or possibly shounen ai that has the uke and seme as best friends or child...

http://www.mangago.me/read-manga/elektel_delusion/
http://www.mangago.me/read-manga/kamisama_ga_yadoru_kotoba/
http://www.mangago.me/read-manga/ashita_mo_tanin/
http://www.mangago.me/read-manga/u_don_t_know_me/ (tough uke, delinquent)
http://www.mangago.me/read-manga/sangen_tonari_no_tooi_hito/ (nii-san's friend, reunion)
http://www.mangago.me/read-manga/nekasenaide/
http://www.mangago.me/read-manga/hima_na_no_de_hajimete_mimasu/
http://www.mangago.me/read-manga/chiisana_koi_no_melody/
http://www.mangago.me/read-manga/dear_green_hitomi_no_ounowa/ (long but cute)

Here's also my tag "childhood friends": http://www.mangago.me/people/tag/53237/Childhood+Friends/?page=1

http://www.mangago.me/read-manga/blue_sky_complex/
http://www.mangago.me/read-manga/itsuka_tomodachi_ja_nakunaru_to_shite_mo/
http://www.mangago.me/read-manga/bokurani_matsuwaru_etc/
http://www.mangago.me/read-manga/tight_rope/
http://www.mangago.me/read-manga/i_don_t_dislike_you/
http://www.mangago.me/read-manga/nar_kiss/ (best friends)

childhood friend list
http://www.mangago.me/home/mangalist/8967/

(i only put the mangas in my list that i consider good and re-readable^^)

http://www.mangago.me/read-manga/love_kids/ something like this?