http://www.mangago.zone/read-manga/bakeneko_katatte_sourou/
This is actually a masterpiece but not many people know about it
You are looking for this one! Honestly don't know why it's only rated 8.9 when their relationship was explained so realistically and how the character development unfolded so beautifully. Volume 2 made it all the more better.
http://www.mangago.zone/read-manga/boku_wa_kimi_no_iinari/
I like these! http://www.mangago.zone/home/mangalist/996024/
can someone recommend me some underrated but gold yaoi please ╥﹏╥