User is Light (Yatsuba arc)

You and L both sat at task force headquarters, chained together by the wrists. There was no one else around and you were both sitting down while going over evidence for what felt like the 500th time. You sipped the tea Watari brought a while ago, until L suddenly blurts out something—

“I need to blow a fag..”

you knew L is British and was referring to a cigarette, though that didn’t stop your face from heating up and almost choking on tea