Kaoling feat hatsune miku & sorane rana 見えない黒に堕ちてゆけ | mienai kuro ni ochite yuke | fall into unseen darkness [vocaloid]

Kaoling feat gumi & kaai yuki 君とまた、会える日まで。 | kimi to mata, aeru hi made | till the day i can see you again [vocaloid]

Kaoling feat cul & gumi freyja sys～システム・フレイヤ～ | freyja sys ~shisutemu·fureiya~ | freyja sys ~system freyja~ [vocaloid]