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Hearing

L was one of those beings that was, much to Light's annoyance, cursed with selective hearing- he only heard certain words when Light was talking to him sometimes. Unfortunately, these often led to L drawing the wrong conclusions from what Light was telling him.

In one such case…

L was not the cleanest of beings. He had bad habit of not picking up after himself, and one day, Light decided to enlist L's help in cleaning up. Sighing, he picked up a dirty pair of L's jeans, searched out L, dragged him to the living room, sat the bewildered demon onto the couch, and tossing the jeans at L's feet, crossed his arms, and proceeded to tell the demon exactly what he was thinking. Unfortunately, as soon as Light started speaking, L's selective hearing kicked in, and so what Light was actually saying got a bit… skewed… as it entered L's mind.

"L… this place is a mess! C'mon!"

What L heard: Blahblahblah C'MON!

Hm? L perked up at this as he stared emotionlessly at Light, his mind half-wandering to other places.

"You and I need to clean up, L."

What L heard: YOU AND I blahblaaahblahblah.

What? Light and him… L started smiling a bit at this.

"You have crumbs all over on the floor- it's disgusting!"

What L heard: Blahblahblabla ON THE FLOOR blablaaah blah.

On the floor? Light and him on the floor…? Well, this little lecture was certainly starting to take a turn for the better…

"I don't have time to clean this up, L. I need to go do laundry, or we'll have no clothes for tomorrow."

What L heard: Blahblahblahblablah NO CLOTHES blahblaablah.

No clothes. Well, L certainly wasn't averse to that.

"I want this cleaned up right now!"

What L heard: Blablablahblaah RIGHT NOW!"

…L blinked, eyes wide as he processed what he heard Light say.

C'mon. You and I. On the floor. No clothes. Right now!

… Speechless, L could only stare at Light in shock, idly wondering why Light had had to sit him down on the couch to tell him that he wished for them to have sex right here on the floor. But that was eclipsed by the fact that Light was wanting to do the dirty right that moment. L, as a sex demon, wasn't one to refuse, of course. In fact, he was rather pleased at the sudden turn of events.

Which prompted his next thought: Why not?

Based on this observation, we can perhaps excuse the consequent sequence of events prompted by L.

L suddenly jumped at Light, knocking them both to the ground, and then promptly proceeded to ravish a very confused Light right on the floor.