The 21-year-old played for Granada last season, featured in 31 games across all competitions but could not help them avoid relegation as they finished at the base of the 20-team Spanish topflight log.
''Uche is a young midfielder with an important game volume and good ball recovery,’’ said club’s sporting director Olivier Renard.
''A large part of last season, he was a [player] in the Spanish league. He is ready for a new challenge and will offer more options for our [club].
''The [Nigerian] joined the Blues last summer and he secured a work permit after impressing in pre-season, particularly against Barcelona.’’
While at the Stade Maurice Dufrasne, Agbo will wear jersey no. 5 and would be hoping to help them end well this season after finishing 9th in the Belgian First Division A last season.