[3 / 2 / ?]
Would you be able to take the Keions in a fight? Any location you want and you get to choose how much prep time, but they get as much prep time as you do. Keep in mind Yui has tard strength, and between being too cute to hit and having legitimate physical prowess Mugi is a fucking powerhouse. Also Mugi has infinite daddy money, if you don't take her out fast she could just buy a private militia