http://www.mangago.me/read-manga/aitsu_no_daihonmei/
Possibly these too (I'm pretty sure about 3/4 or more of those are yaoi although not all of them you can read again and again)
http://www.mangago.me/home/people/32812/manga/3/
Sawattemo Li Kana, Koi No Mannaka, Kiss Him, Not Me, Hana No Mizu Shiro, Ten Count, Fudanshi No Honey Days, Yarichin Bitch Club, Super Lovers, Seven Days, Boku no Ano Ko, Kimi Note, Recipe No Oujisama, Escape Journey, Terebi-Kim No Kimochi, Love Prism, anddd lastly, Renai Ruby no tadashii furikata ヾ(❀╹◡╹)ノ~ლ(´ڡ`ლ)
Hi, I'm looking for some good Yaoi to read. I was wondering if you guys have any Yaoi manga that you can read for the umpteenth time and still not tired of it?