Shock! My Egg Got an X on it?

Rikka worries about her egg because it didn't hatch yet. She becomes depressed and her egg got a X on it. She wants Amu to purify it but, she thinks Amu will hate her because her egg has a X on it. Then, Amu tells her that she once had a X Egg. Rikka becomes happier and her egg hatches.