Kagamine Len(Append Serious)
Kagamine Len Append Serious V2 — Balsam [cover] 05:11
Kagamine Len(Append Serious) — Echo 04:11
Kagamine Len Append Serious — Goodbye to a childhood friend 05:00
Kagamine Len Append (Power, Cold, Serious) — Melissa 04:23
Kagamine Len Append Serious [vocaloid] — Lilium 03:30
Kagamine Len — MR.TAXI 03:36
Mezame-P feat. Kagamine Len Append Serious — paranoia 03:50
[Kagamine Len] (Append-cold×Append-serious) — Magnet 04:03
Vocaloid Len Kagamine APPEND cold - serious - power — Mr. Taxi (jap ver) 03:36
Kagamine Len Append (Serious) — The Beast 03:05
Kagamine Len V2 Append Power| Cold| Serious — Статья| V2 Append Power| Cold| Serious 00:45
amyu feat. Kagamine Len Append (Serious), Kagamine Rin Append (Sweet) — Worenakusa 04:50
Kagamine Rin(Append Sweet) & Len(Append Serious) — Forest 05:07
amyu feat. Hatsune Miku Append (Sweet), Kagamine Len Append (Serious) — Phantom Moon Ring -append mix 05:11
amyu feat. Kagamine Rin Append (Sweet), Kagamine Len Append (Serious) — Nibiiro pioneer -append mix 03:28
Kagamine Rin Append Sweet/Len Append Serious — Winter Sky у Лена 04:49