It is implied that Yuuki drunk himself to a point that he actually did what Mafuyu asked him to do. Mafuyu in anger told him to die for him and Yuuki took this to his heart to explain Mafuyu how much his words have a hold on him. So I think he did hang himself.
It is implied that Yuuki drunk himself to a point that he actually did what Mafuyu asked him to do. Mafuyu in anger told him to die for him and Yuuki took this to his heart to explain Mafuyu how much his words ... Diana94
aaagghh I couldnt find raws ヽ(`Д´)ノ