Heart breaking but happy ending
http://www.mangago.me/read-manga/cosmic_boy/
http://www.mangago.me/read-manga/trace_of_you/
http://www.mangago.me/read-manga/cocoon_of_the_heart/
http://www.mangago.me/read-manga/last_seven_days/
http://www.mangago.me/read-manga/almost_paradise/
http://www.mangago.me/read-manga/kyou_mo_ashita_mo_asatte_mo/
http://www.mangago.me/read-manga/code/
http://www.mangago.me/read-manga/hatsukoi_wa_gunjou_ni_tokeru/
http://www.mangago.me/read-manga/tamayura_yuki_ringo/
http://www.mangago.me/read-manga/nigatsu_no_eden/
http://www.mangago.me/read-manga/kowagaranai_de_soba_ni_ite/
http://www.mangago.me/read-manga/ame_to_kiss/
http://www.mangago.me/read-manga/life_senjou_no_bokura/
http://www.mangago.me/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/
http://www.mangago.me/read-manga/oniisan_to_yobinasai/
http://www.mangago.me/read-manga/intense_lee_kyung_ha/
http://www.mangago.me/read-manga/hana_no_miyako_de/
... but I don't remember if it's got a happy ending or not (⊙…⊙ )

Im in the mood for something really sad but with a happy ending. Something that crushes ur heart when reading (can be friendship or romance. Yaoi or straight is okay) something like the mc having illness or being bullied or even unrequited love. Despite being sad it should also be heartwarming. Preferably no love triangles and completed please. Thank you ヾ(❀╹◡╹)ノ~