Light knows about L’s hidden cameras in his bedroom to gather evidence on Kira. Which is why Light brought you to his bedroom night after night.

Light assumed that if he was being intimate with one of his girlfriends, L would turn off the cameras. He was wrong. L watched everything. And enjoyed it.

Soon, L was obsessed with you. He'd watch the tapes and wish it was him. But he had to settle for walking you home, claiming to be protection from Kira.

“So, how was your date?” L asks