Happy Birthday(ryoo Ver.)

1 Happy Birthday(rimu Ver.)
2 Happy Birthday(miya Ver.)
3 Happy Birthday(chiyu Ver.)
4 Happy Birthday(ryu Ver.)
5 Happy Birthday(chiyo Ver.)
6 Happy Birthday(hyo Ver.)
7 Happy Birthday(ryoo Ver.)
8 Happy Birthday(ryoku Ver.)
9 誕生日の歌 - もり ver.
10 Happy Birthday(riri Ver.)
11 Happy Birthday(riru Ver.)
12 Happy Birthday(hiro Ver.)
13 Happy Birthday(waku Ver.)
14 Happy Birthday(rea Ver.)
15 Happy Birthday(ru Ver.)
16 Happy Birthday(hio Ver.)
17 Happy Birthday(tsuki Ver.)
18 Happy Birthday(rune Ver.)
19 Happy Birthday(rego Ver.)
20 誕生日の歌 - すみ ver.
21 Happy Birthday(ruri Ver.)
22 Happy Birthday(zen Ver.)