[Niratama (Sekihara)] Popu pipi pipippi - Popchin and Pipipippi are Lovers (POP TEAM EPIC) [English] [Mumei Scanlation]
(C81) [Niratama (Sekihara Umina, Chinhou)] Recording Room (Vocaloid)
[Niratama (Sekihara, Hiroto)] Anata ni Ai o Anata ni Hana o Yui - Let me give love to you, I will give a flower to you Conclusion [Digital]
(THE VOC@LOiD M@STER 14) [Niratama (Sekihara Umina, Chinhou)] Candy Box (Vocaloid)
[Niratama (Sekihara Umina)] Negai | A Wish (Puella Magi Madoka Magica) [English] [Yuri-ism]
(THE VOC@LOiD M@STER 16) [Niratama (Sekihara Umina, Chinhou)] Afternoon Box (Vocaloid)
[Niratama (Sekihara Umina)] Trap Box (Vocaloid)
[Niratama (Sekihara Umina)] Hanny Box (VOCALOID) [2010-05-29]
(C84) [Niratama (Sekihara, Hiroto)] Have a nice holiday (VOCALOID) [English] [Heavenchai]
[Niratama (Sekihara)] Doutoku no Hakoniwa Ketsu (VOCALOID) [Digital] [Incomplete]