Chocolate Underground, Bihada Ichizoku Recommendations
In both of these there is something that is really important and people fight for this thing. Characters are really serious about this thing and the whole series goes around this thing. Also both series have short episodes and not very much episodes.
The main thing that is similar between Chocolate Underground and Bihada Ichizoku is the atmoshphere so even when the plots are not similar at all if you liked one of these you might still like the other one too.