Kirino's secret(new ver)

"Help!Help me!"yelled Kirino as he was being drag by the serial killer.

"Hold on! Im coming!"yelled Shindou as he tried to get rid of the 2nd serial killer behind him.

"Oh no you don't!"said the serial killer as he put a knife near Kirino's neck."Move and your friend's killed!"

'Shit!What should I do?'Shindou thought as he watched Kirino yelling for help.
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Kirino has a secret that keeps Shindou and the rest of the team out.What is her secret?