嗚呼、この世界は最低だ (Ah, Kono Sekai wa Saitei da)

Ah, This World Sucks is a song sung by Miku Hatsune. Sasara Sato has her own version of this song as well. It is the two-hundred-and-ninety-fourth track in Other Vocaloid Songs 134: Mostly Sasara and a Niconico only song.