(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/1 (Demonbane)
(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/1 (Demonbane) [English] [Chocolate]
(C84) [Fruitsjam (Mikagami Sou)] BADEND vs HAPPYEND (Smile Precure!)
(C72) [Happy Man (Suzuki Kyoutarou)] UNHAPPY GIRL b／8 (Dennou Coil)
Kirino Tries to Bring the Two of Them Closer Together
(SC35) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/6 (Code Geass: Hangyaku no Lelouch)
Together with Komachi 3
What You and I Want to do Together!
(C74) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/12 (Mahou Shoujo Lyrical Nanoha A's)
Together with Ami
