Pairings: Kyuhyun/Donghae, broken!Kyuhyun/Sungmin
Genre: Angst, bandfic
Warnings: Without spoiling anything, there are mentions of severe depression and different ways of self-harm
Summary: In which Kyuhyun broke up with Sungmin, both are having difficulty coping with it, and Donghae visits Kyuhyun at night when they think Sungmin is asleep.
Here and here.