BrokenEagle98 said: How about, x acts as y's guardian?
then... erm... Kanako and Suwako can be included also. Kanako acts as Suwako's "guardian".
Masterstroker said: try 'y' causes problems for 'x'
then it should even include Mokou and Kaguya. Mokou always causes problems for Kaguya(as she keeps trying to kill Kaguya: but then again, Kaguya does the same also.)