Watch Mukashi wa Tanoshikatta | We used to be happy [すぺ (なかに)] 昔は楽しかった [英訳]

(C74) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/12 (Mahou Shoujo Lyrical Nanoha A's)

[Happy Man (Suzuki Kyoutarou)] UNHAPPY GIRL b／11 (Mahou Shoujo Lyrical Nanoha [Magical Girl Lyrical Nanoha])

[Supe (Nakani)] Mukashi wa Tanoshikatta 2 | We used to be happy 2 [English] [CHLOEVEIL]

(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/1 (Demonbane) [English] [Chocolate]

(C84) [Fruitsjam (Mikagami Sou)] BADEND vs HAPPYEND (Smile Precure!)

Mukashi wa Tanoshikatta 2 | We used to be happy 2

(C72) [Happy Man (Suzuki Kyoutarou)] UNHAPPY GIRL b／8 (Dennou Coil)

(SC35) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/6 (Code Geass: Hangyaku no Lelouch)

(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/1 (Demonbane)

(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/2 (Higurashi no Naku Koro ni) [Chinese] [靴下汉化组]