Born in Cameroon, Mbu moved to London at the age of one, and then to Scotland six years later.[1] As well as playing football, Mbu has also worked as a banker.[2]
Mbu played in City's first ever SPFL league match on 6 August 2016 against Forfar Athletic, in which he was sent-off in the 93rd minute for an altercation with Forfar forwardDavid Cox.[13][14] Mbu announced his retirement from football at the end of the 2016–17 season due to injury,[15] with his final appearance for Edinburgh City coming in a 3–2 defeat against Berwick Rangers on 6 May 2017.[16]