http://www.mangago.me/read-manga/zankoku_na_kami_ga_shihai_suru/
Since the flag of your username says Spain... este manga es complejo, por largos ratos es muy duro y a veces es dolorosamente realista pero está muy, muy pero muy bien escrito.
Not sure if you've already read this, this manhwa is the most emotional one out there. Whoever read this cries at least ten times （/TДT)/
http://www.mangago.me/read-manga/cosmic_boy/
im gonna spread the a thousand of cranes agenda http://www.mangago.me/read-manga/a_thousand_cranes/
I mean, there have been some BL mangas that literally have given be goosebumps and that I absolutely love because of that. I need some tragic one! I Wanna fall in love and cry with it ╥﹏╥