"ワン☆オケ！vol.02" (Wan☆Oke! vol.02) is Wonderful☆Opportunity's second only-karaoke album; with the previous being vol.01. It is an album consisting of 9 off vocal original Vocaloid works, with no vocals included. It consist some notable works including "Remote Controller", "E.C.H.O.", and "KAGA PIYO".