[Niratama (Sekihara Umina)] Hanny Box (VOCALOID) [2010-05-29]

[Niratama (Sekihara Umina)] Hanny Box (VOCALOID) [English] [Heavenchai] [2010-05-29]

[Niratama (Sekihara Umina)] Hanny Box (VOCALOID) [English] [Heavenchai] [2010-05-29]

[Niratama (Sekihara Umina)] Feeling Box (Vocaloid) [English] {Team 11'x'2}

[Niratama (Sekihara Umina)] Trap Box (Vocaloid) [English] {Team2.5}

(THE VOC@LOiD M@STER 14) [Niratama (Sekihara Umina, Chinhou)] Candy Box (Vocaloid) [English]

(THE VOC@LOiD M@STER 16) [Niratama (Sekihara Umina, Chinhou)] Afternoon Box (Vocaloid)

(THE VOC@LOiD M@STER 14) [Niratama (Sekihara Umina, Chinhou)] Candy Box (Vocaloid)

[Niratama (Sekihara Umina)] Nightmare Box (VOCALOID) [English]

[Niratama (Sekihara Umina)] Nightmare Box (VOCALOID)

(THE VOC@LOiD M@STER 16) [Niratama (Sekihara Umina, Chinhou)] Afternoon Box (Vocaloid) [English] [Kanako-Fanscans]

[Niratama (Sekihara Umina)] Trap Box (Vocaloid)

(C81) [Niratama (Sekihara Umina, Chinhou)] Recording Room (Vocaloid)

(C80) [Niratama (Sekihara Umina, Chinhou)] Tamani wa Iiyone (Suite Precure)

(C80) [Niratama (Sekihara Umina, Chinhou)] Hibiki to Kanade to Tsunagaritai! (Suite PreCure)

[Niratama (Sekihara Umina)] Kenkappuru no Nichijou (Suite PreCure)

[Niratama (Sekihara Umina)] Negai | A Wish (Puella Magi Madoka Magica) [English] [Yuri-ism]

(C79) [Niratama (Sekihara Umina)] Yuri to Issho ni Obenkyou. (Heartcatch Precure!)

[Niratama (Sekihara)] Candy Box 2 (Vocaloid) [English] {Team 11'x'2}

(SC56) [Niratama (Sekihara, Hiroto)] Egoist box (VOCALOID) [English]

(SC56) [Niratama (Sekihara, Hiroto)] Egoist box (VOCALOID)