Burna Boy’s sister, Nissi reacts to alleged sack of their mother as his manager. Singer Burna Boy’s sister, Nissi, has reacted to the alleged sack of their mother, Bose Ogulu, as the singer’s manager. The trending report went viral after ChaftsAfrica shared an alleged Instagram story post by Burna Boy announcing that his mother, Bose Ogulu, would no longer be his manager..Full content / Read original.