1. http://www.mangago.zone/read-manga/classmate_asada_nemui/ this one is only one chapter, but it has a "wtf!?!" ending.
2. http://www.mangago.zone/read-manga/spin_out_kunieda_saika/ this is one really good I highly recommend because of the huge plot twist.
lol, I remember reading the first one, sorta fucked up.- Well, it is fucked up.
I know right, I was screaming because of the ending.
This one is sad the kind that lingers T.T http://www.mangago.zone/read-manga/sorekara_kimi_wo_kangaeru/ (*´Д｀*)
This one is the kind of fudged up ending legit no happy end for any of the characters it’s the make you sad and mad kind, like why author-san! Why! (╯°Д °)╯╧╧ http://www.mangago.zone/read-manga/circle_wang_zi_ying/
The why did I read this ｡ﾟ(ﾟ´Д｀ﾟ)ﾟ｡ it’s sooo sad ! It’s too sad I could cry a bucket kind of depressing read, another why author-san! (╯°Д °)╯╧╧ http://www.mangago.zone/read-manga/nigatsu_no_eden/
Happy sad reading (´°ω°｀)
This one is sad the kind that lingers T.T http://www.mangago.zone/read-manga/sorekara_kimi_wo_kangaeru/ (*´Д｀*)
This one is the kind of fudged up ending legit no happy end for any of the characters it’s the make you sad and mad kind, like why author-san! Why! (╯°Д °)╯╧╧ http://www.mangago.zone/read-manga/circle_wang_zi_ying/
The why did I read this ｡ﾟ(ﾟ´Д｀ﾟ)ﾟ｡ it’s sooo sad ! It’s too sad I could cry a bucket kind of depressing read, another why author-san! (╯°Д °)╯╧╧ http://www.mangago.zone/read-manga/nigatsu_no_eden/
Happy sad reading (´°ω°｀)
Yaoi with tragic/sad/depressing ending?