http://www.mangago.me/read-manga/goshujinsama_to_wanko/
in chapter 7 are childhoodfreiends with flashbacks. it's only a oneshot and beware it's a threesome!
http://www.mangago.me/read-manga/ikemen_kun_to_saenai_kun/
http://www.mangago.me/read-manga/sukitte_iwasete/
http://www.mangago.me/read-manga/hello_again/
http://www.mangago.me/read-manga/hima_na_no_de_hajimete_mimasu/
http://www.mangago.me/read-manga/elektel_delusion/
http://www.mangago.me/read-manga/love_kids/
http://www.mangago.me/read-manga/mad_cinderella/
http://www.mangago.me/read-manga/baka_de_guzu_wa_daikirai/
http://www.mangago.me/read-manga/yume_musubi_koi_musubi/
... Ja Nai Kedo series
thank you guys <3
Yeah so I'm looking for some yaoi manga with the both of them being friends long ago, preferably with some flashback scenes where they were kids. It's so adorable (=・ω・=)