01 Intro - ?3?5?1?0?3?7
02 Happiness (Main Theme) - ?3?5?1?0?3?7
03 ?3?9?2?0?3?9 ?7?5?8?9 ?8?3 療養院的道路- ?3?5?1?0?3?7
04 ?4?8 ?0?7?8?7 初相遇- ?6?3?3?5?6?5
05 ?6?8?1?6?3?5 ?8?1?9?5?0?9 幸福的國度(Trio Ver.) - ?6?3?9?7?2?1
06 ?2?1?5?6 郊遊- ?3?5?1?0?3?7
07 ?4?8 ?5?5?2?1 初吻- ?3?5?1?0?3?7
08 ?6?8?1?6?6?3 ?3?1?1?8 幸福的日子常在- ?3?5?1?0?3?7
09 Je Crois Entendre Encore (?7?2?7?5?2?3 ?9?1?0?5?8?9 ?8?9?9?7?3?5 ?3?3?1?0) - Georges Bizet
10 Happiness (Piano Ver.) - ?3?5?1?0?3?7
11 ?2?2?2?1?3?5 ?5?3?0?3 - ?6?3?3?5?6?5
12 Nocturne For 'Happiness' - ?6?3?3?5?6?5
13 ?0?3?3?1?0?4 ?2?1?6?8 最後的旅行- ?3?5?1?0?3?7
14 ?3?1?6?1?3?5 ?5?3?0?3 - ?3?5?1?0?3?7
15 ?7?9?3?9?6?3 ?0?7 ?7?7?0?0?6?3 ?0?7 安靜而神聖的夜晚- Joseph Mohr
16 Ending - ?6?3?3?5?6?5
17 ?6?8?1?6?3?5 ?8?1?9?5?0?9 幸福的國度(Ending) – ?6?3?9?7?2?1