I'm fine with bl but I really like gl

There're not similar but you might like it?
http://www.mangago.zone/read-manga/the_specific_heat_capacity_of_love/

I loved A Shoulder To Cry On & I haven't really found one as similar to it.

But I'll recommend this for a uni-life story with a more realistic touch, it's more wholesome compared to A Shoulder To Cry On as well:

http://www.mangago.zone/read-manga/green_apple_paradise/

Sadly don't know a GL ;-;