3Hello, Tomorrow (feat. LILY)
4Lonely Room (feat. 빨간머리앤)
5At Home - Special Version (feat. 류혜영, 김재영)
7Romantic Light (feat. 문성남)
9Cheer Up - Guitar Version (feat. 문성남)
10Every Morning (feat. 로맨티스코)
13Small Picture (feat. 로맨티스코)
15Happy Light Comic - Guitar Version (feat. 문성남)
17Sad Room - Electric Piano Version (feat. 문성남)
19Happy Light Waltz (feat. 문성남)
20Lonely Simple (feat. 문성남)
24Happy Romance (feat. 문성남)
25Gloomy - Guitar Version (feat. 문성남)
28Lonely Sad Piano (feat. 문성남)
29Lonely - Electric Piano Version (feat. 문성남)
30Like You - Instrumental (feat. APRIL)
31At Home - Instrumental (feat. 루, 시우)
32Hello, Tomorrow - Instrumental (feat. LILY)
33Lonely Room - Instrumental (feat. 빨간머리앤)
34Sometimes - Instrumental (feat. 소야)
