Sigma looked dissapointed, making Serah's smile drop a little. But then Sigma fell through the stall door which instantly made her burst out with laughter, sayong "Sorry!" in between breaths. After composing herself a bit, she listened to Sigma's speech. When it's over she felt the need to apologize again, so "Uhm... again, Ehe, sorry about laughing, ahaha, right there..." she sheepishly stumbled out. So her plan was to form a team in the mock battle and support eachother, Huh? "I'm in! This sounds like fun! It's also a lot better than just roaming around on my own.. I man, We're going to be a team so why not act like a team right?" Serah gave the older girl a quick hug and started jumping in joy. "Yay for cake sisters~!"