A/N: In Day 5, an utterly enormous amount of action, plot development, and background information is revealed. So much, in fact, that this Day ends up being over 3x larger than any of the other days. Because of this, I decided to split Day 5 into 2 parts. I would greatly appreciate any feedback on how you, as a reader, have enjoyed this length of writing, and what you think about the split. I did not plan to have a day this long, nor do I ever plan to again, but just in case it happens, I would like to hear what you have to say about it. Thank you for your time and I hope you enjoy reading today's part of One Lonely Survivor!

Day 5 - Part 1

Right after waking up, I went over my journal from the previous day. Pretty much everything that happened that day was impossible for me to explain, so I just know it must be related to my past life somehow, or at least to the mystery behind this forest.

After using my breakfast time to think of how to approach my day, I decided it was most important to make a weapon as soon as possible. If any more of those Zombies(and yes, I have decided to start calling them Zombies) showed up, I'd need to defend myself no matter what happened, or it's game over for me.

At first I though it would be hard to come up with a reliable weapon to use in any worst-case scenario, but it actually proved to be pretty easy. After breaking off all the stubs and twigs connected to a branch I found, I attached a large stone to the end of it using roots and weeds. This would allow me to use brute force from a distance, and it shouldn't break for a while since I used the sturdiest branch I could find.

When I was done having breakfast and making my club, I headed out for the lake. When I got there I went to the exact area where the little skirmish took place yesterday, but for some reason nothing was there. I looked everywhere from the bottom of boulders to the thickets of trees, but all of the Zombie's evidence was gone. Even the stick I used had vanished into thin air... but none of it made any sense.

First off, how did the girl get to this lake? There was no possible way for anyone to gain entrance through the trees. No matter how hard they tried, the trees were just too thick and too many. Also, How could the Zombie body have disappeared? It must of weighed at least two times the amount of the girl, so there's no way she could of hauled it off. And in addition to all that, HOW THE HELL DID I TELEPORT BACK TO THE MIDDLE OF THE FOREST WHEN I WAS KNOCKED OUT!

None of it made any sense, but there needed to be a way. If I could just come up with a theory on how one of those things might have happened, it could lead to discovering everything else... Biggest face palm moment yet.

I came here by digging a tunnel from a completely different location, so why couldn't the girl have done the same? The dirt in this forest crumbled away easily and wasn't too hard to haul off, so she should of easily been able to come here from underground.

The more I thought about it, the more sense it seemed to make. Even if that didn't explain the Zombie corpse vanishing and me waking up in the middle of the forest, the girl must know something. If I could only find her and ask how it happened, I'm sure she would be able to help. After all, she is the only one who was alive and well during the entire time this was happening.

That lead me to search for a cave or tunnel entrance other than mine. However, this search proved to be fruitless. After multiple hours of inspecting every boulder, log, or dirt pile I could find, there were still no tunnels. At this point I was truly perplexed. The girl couldn't have climbed out(the trees were far too wide and tall for that) and she couldn't have gone through the trees(they were too closely planted together), so the only way for her to get out and in needed to be using a tunnel. Also there's no way she could of used my tunnel, because I would of noticed.

There's something I was missing. Something obvious that I should be able to find out, but for some reason it was eluding me. If she didn't enter this area using a tunnel near the lake, and she didn't leave the area by going through or over the trees, then how did she do it? And that was the question I had been needing to ask.

If there wasn't a tunnel anywhere near or around the lake, why couldn't there be one inside the lake, leading to a waterfall or stream somewhere? After coming up with this idea, I immediately began testing it out.

As fast as I could, I sprinkled pebbles around the sides of the lake. Because I knew which way the current was headed, if any of the pebbles drifted against the water, then it would lead me to wherever the opening in the lake was, and just like that I found the tunnel.

Attaching my crude club to my jacket and putting my pen and a few sheets of paper into my water-proof pocket, I dived down into the lake. Even though I couldn't see anything, it was extremely obvious where the entrance to the passageway was.

I first began floating around at the bottom of the lake side where the pebbles I threw in went against the current, and suddenly I felt myself being pulled in a certain direction. Giving myself up to the water, I kicked off the side of the lake into the underwater current, and was instantly taken hold of by the flow.

Only a few moments went by when I felt like my lungs were going to burst, but somehow I managed to refrain from taking in large amounts of water. When the passageway of flowing water finally spit me out, I emerged from a very narrow but deep river, gasping for air. Once I had pulled myself out of the water and made sure my club and pen/paper weren't ruined, I examined my surroundings.

The sun would be setting in less than two hours, so I needed to be careful of that. All around me, the landscaping looked pretty much the exact same as back by my cave- Tons of trees in every direction. But what really interested me was the tree house above where the river began.

Now I had two choices to take, neither of them being very appealing. I could either climb up the tree and break into the tree house, not knowing who or what it belonged to, or I could stay down here in the dead of night, secretly spying, and pray nothing finds me. Being the impatient kinda guy that I am, I decided to investigate immediately.

I slowly inched my way towards the building, making as little noise as possible. Once I was within range of a window, I peeked in to see if the place was currently inhabited...

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