Eat Beat: Dead Spike-san

"Eat Beat: Dead Spike-san" is a rhythm game based in the BlazBlue universe, where you help Dead Spike-san, Ragna the Bloodedge's special attack, grow stronger by tapping the screen to consume food as it passes by, to the beat of popular battle themes. The story follows Dead Spike-san's quest to aid Ragna in victory by increasing its size and strength through gluttony. Official webpage