Recom.

http://www.mangago.me/read-manga/my_childhood_friend_was_a_god/
http://www.mangago.me/read-manga/10_years_where_i_loved_you_the_most/
http://www.mangago.me/read-manga/cut_hogeol/ (not really)
http://www.mangago.me/read-manga/the_monsoon_in_june/
http://www.mangago.me/read-manga/back_in_time_to_you/

MY CHILDHOOD FRIEND WAS A GOOD BRO THAT ONE WAS SO GOOD

10 years where i loved you the most

OH MY GOD YESSSSS

hybrid child

December Rain

http://www.mangago.me/home/mangalist/760720/

TEARJERKER
list is a collection of
 • happy ending
 • bittersweet
 • sad/tragic
http://www.mangago.me/home/mangalist/636848/

i recommend this for a quick read
#019 http://www.mangago.me/read-manga/hypnosis_mic_hoshi_ni_naru_made_doujinshi/

You can check the comments section if you want to know which mangas have happy/bittersweet/tragic ending

Follow the list to be updated. And if you liked the mangas/manhwas I included, please do recommend. Enjoy~ (人 •ᴗ•)