IU DiscographyI □ U

I □ U

Release dateDecember 14, 2011

Tracklist

1

3:56

3:56

2

コ・ゴ・ト

3:37

3:37

3

3:50

3:50

4

3:44

3:44

5

私だけ知らない

3:27

3:27

6

6:10

6:10

7

8

9

Marshmallow & Nagging

10

11

Only I Didn’t Know

12