manga with bad endings

[Blackangel]

i am disappointed with hate mate ending a lot and i am not going to read anything from the same author. do you have any manga that disappointed you with a bad ending?

 

[Silver_Fox]

i am disappointed with hate mate ending a lot and i am not going to read anything from the same author. do you have any manga that disappointed you with a bad ending?

Break Shot. It was manga about billyard, the story end when the main protagonist qualified to enter international championship, i was excited back then

 

[Blackangel]

Break Shot. It was manga about billyard, the story end when the main protagonist qualified to enter international championship, i was excited back then

then you should watch death billiards.
it was a very dark anime and i couldn't even get it out of my head. i have seen gore but it's for the baddest gore scenes