/vt/ sings for Coco frames revised

Coco's frames with small fixes

Coco Singing 1: https://files.catbox.moe/5h0cw0.png
Coco Singing 2: https://files.catbox.moe/l4doi6.png
Coco Singing 3: https://files.catbox.moe/hlvkk4.png
Coco Singing Wink: https://files.catbox.moe/0ukypg.png

Coco Smiling 1: https://files.catbox.moe/udkacw.png
Coco Smiling 2: https://files.catbox.moe/klapl8.png
Coco Smiling 3: https://files.catbox.moe/9sqlao.png
Coco Smiling Wink: https://files.catbox.moe/gjzajd.png