The 20-year-old has spent the season with the Blues as they maintained their Championship status by finishing 17th in the table.
Our Tunisia international represented the Midlanders 41 times across all competitions over the course of the campaign, scoring once and providing six assists, as he gained invaluable experience of senior football in England’s second tier.
Notably, Hannibal won Birmingham’s Goal of the Season award with a wonderful free kick against local rivals West Bromwich Albion.
His last outing for the Blues came on Monday, when recently promoted Sheffield United triumphed 2-1 on their visit to St.