Why did T-ara's "Skyground Starground" flop on the charts?

T-ara members promote movie Death Bell 2

T-ara members help Jiyeon promote Death Bell 2

T-ara's Soyeon sings her OST for Death Bell 2

Jiyeon had a difficult time filming a pool scene for Death Bell 2

Death Bell 2 releases promotional movie posters

Death Bell 2 releases official trailer and MV

Death Bell 2 trailer gets leaked

Jiyeon leads Death Bell 2 female students to cheer for Korea

T-ara's Jiyeon gets her neck sliced?

Death Bell 2 cast and production staff celebrate Kim Soo Ro's birthday

More sneak peeks of Death Bell 2