For the goody besties try these but not technically shounen ai just bromance ones http://www.mangago.me/read-manga/just_friends/
http://www.mangago.me/read-manga/nan_hao_shang_feng/
This one is shounen ai
http://www.mangago.me/read-manga/twenty_twenty/
http://www.mangago.me/read-manga/18_unlimited/ this has shounen ai tag too but I don’t think so lol
And this gl is really similar to 19 days
http://www.mangago.me/read-manga/tamen_di_gushi/
http://www.mangago.me/home/mangalist/941026/
My ultimate shonen ai list
http://www.mangago.me/home/mangalist/960318/
My ultimate shojo ai list
I need something like 19 days manhua, the goofy stupid besties to lovers, or a GL manga/hwa/Hua where a masculine female protects the girl that got harassed or just protects girl.It can contain spicy scenes too, I'm just kind of tired of reading meaningless s3x.