[Niratama (Sekihara)] Doutoku no Hakoniwa (VOCALOID) [Digital] [にらたま (せきはら)] 道徳の箱庭 (VOCALOID) [DL版]

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

[Niratama (Sekihara & Chinhou)] Append Disc (Vocaloid) [English] {Team 11'x'2}

(C84) [Niratama (Sekihara, Hiroto)] Have a nice holiday (VOCALOID) [Chinese] [夜合後援組漢化]

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

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

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

[Niratama (Sekihara)] Doutoku no Hakoniwa Ketsu (VOCALOID) [Digital] [Incomplete]

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

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

[Niratama (Sekihara)] Doutoku no Hakoniwa Ketsu (VOCALOID) [Digital]