Happy Lesson OVA的曲目，要日文自己翻啦～
1 Main Theme 1 "So Happy!" 2:13
2 Main Theme 2 "Happy Smile" 2:23
3 Mutsuki Theme "yasuragi iro no jikan" 2:08
4 Kisaragi Theme "Mad Scientist?" 1:58
5 Yayoi Theme "ken to jorei to hokenshitu!?" 1:41
6 Uzuki Theme "kosupure tenshi no daikoushin" 1:57
7 Satsuki Theme "hashire! tatakae! tukinukero!" 2:05
8 Fumitsuki Theme "meitantei, yoru o yuku" 1:45
9 Minazuki Theme "ano koro no kimi, ima no watashi" 1:47
10 BGM "Happy Member zen'in shuugou!" 1:54
11 Comedy 1 "makasete Darlin'!" 1:45
12 Comedy 2 "a-a, yacchatta.." 1:38
13 Comedy 3 "sorette ari kamone" 2:03
14 Serious "boku-tachi no tomadoi" 2:03
15 Suspense "soshite mata nazo o yobu" 1:43
16 kaisou "kioku no naka ni anata wa tatazumu" 1:17
17 Main Theme 3 "Happy Together" 2:29
18 Bonus Track Mini-konto "Ooedo Happy Lesson" 8:13
怎么没钱的…… @_@
