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http://www.mangago.zone/read-manga/cocoon_of_the_heart/
http://www.mangago.zone/read-manga/december_rain/?av=1o
http://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/
http://www.mangago.zone/read-manga/life_senjou_no_bokura/
http://www.mangago.zone/read-manga/utakata_no_uroko/
http://www.mangago.zone/read-manga/kowagaranai_de_soba_ni_ite/
http://www.mangago.zone/read-manga/spring_snow_odongtong/
http://www.mangago.zone/read-manga/cosmic_boy/
http://www.mangago.zone/read-manga/nigatsu_no_eden/
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http://www.mangago.zone/read-manga/life_senjou_no_bokura/
http://www.mangago.zone/read-manga/maki_chan_wa_kare_to_sex_shitai/
The first one made me cry for about 2 days and the second one made me cry for like a couple hours, but overall banana fish was the one that messed me up the most. Banana fish left me drained and numb for WEEKS and now when i hear the anime opening music or get reminded of angel eyes (the after story) I still shed some tears.
Any BL sad mangas that have you crying for hours?