After Light and you were finally released from trial, L still couldn't get to believe you both. With the concent of your and Lights parents. You both were now handcuffed to L for the sole purpose of surveillance

Light: "Are you sure this is necessary Ryuzaki?"

L: "This is as difficult for me as it is for you both."

You just stared dumbfounded at the chains, surely this wouldn't last long you thought.