Muon Sorata appears to be an ordinary college student. However, he has a secret identity, that of the mysterious thief called Mouse. He is supported by his three beautiful female subordinates.
MOUSE is everything an ecchi manga should be. Trying to pull off the heist of the century? Hold on, look at some boobs first. Life in danger? Hold on, we need to check out some boobs. Holy shit, is that a Dragon?! Sorry, too busy looking at boobs.