One Up Seeker

1. It was early in the morning and the sky was still dark, but clear. I was driving to school in my car and my sister was in the passenger seat like normal. I turned a corner and drove into the B lot, the 2nd parking lot of my school, and continued on to my spot. I noticed seconds later that half of the parking lot was flooded, and I mean extremely flooded. I could still see the bottom of this half of the parking lot clear, the water was very clean. It looked like something out of water world. The fact that my spot was now way underwater didn't deter me. I continued to my spot. As I did so, my car started going underwater. The closer I got to my spot, the deeper it was.
About a minute later I finally reached my spot, but there was someone else's car in my spot. It was a white SUV. "Holy shit Kayla, someone's in my spot" I tell her "What are we gonna do?" I ask. I look up through my window and can easily tell that we are at least 30 full feet under water. It wasn't dark though, I could see around the water easily. I realized that my car was running out of breathable oxygen, so I had to make a move fast. "Yo dude, we need to open the doors and swim to the top right now" I tell my sister. "No wait don't-" she didn't have time to finish her sentence as right then I had just opened the driver door. Water rushed into the car with immense speed and I saw my sister fly back when the water hit her due to the force. Something told me to keep going and I left her(damn that's savage lmao).
I had swam about 15 feet, halfway up to the surface, when I had run out of air. On my last few seconds of oxygen I looked below me and saw my sister swimming up. She was struggling to swim fast and she was only 5 feet off of the bottom of the parking lot when she gave out. As I focused back on the surface, I felt my vision fading. I blacked out. I don't know how much dream time passed, but the next thing I know, I was laying on the ground right where the water stopped flooding the parking lot. An ambulance was on the road only feet away from me and its lights were on. A lady paramedic got on one knee and asked me "How are you feeling?". I sat up, "I feel solid". "Oddly enough, none of your vital signs were affected by you drowning. There's something insanely different about your body" she told me. She then got up and went over to my sister and told her that her body had been affected negatively, but I don't remember how.