A/N: This is a High School AU.
Trigger warning: Violence, blood, death.

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Thalia's POV:

I never thought that 6 words would scare me. I never thought that those 6 words would forever change our lives.

My alarm woke me up for yet another average day at Goode High. Or that's atleast what I thought it would be.

I sat down at the breakfast table next to my little brother Jason and Dad made us pancakes with maple syrup as usual. My stepmom Leto packed me a smoked bacon sandwich and sneaked in a dollar bill for a brownie, like she usually did.

The bus arrived at 8:15 and we just made it. Like always, Annabeth saved me a seat and told me about the book she's currently reading and Percy made fun of her for being a bookworm. Annabeth rolled her eyes at him and we all conversed till we reached school.

When I reached my locker I saw Reyna and her best friend Rachel walking by. Reyna waved at me. I responded with a simple "Hey".

The bell rang and I just sat down at my desk in Latin. Nico walked in and sat next to me. Reyna smiled and sat down on my other side.

I was doodling my name on the corner
of a page in my textbook when I heard the PA system ring. My head shot up from the textbook.

I heard Principal D's frantic voice "Code Red. This isn't a drill" His voice was cut off by a loud pop.

We heard screaming from the floor above us. All of us started panicking.

'Code Red' meant that there was an active shooter on school grounds. Mr. Brunner turned off the lights, locked the door and ushered all of us to stay under our desks and switch our phones on silent.

My mind went straight to Jason. My baby bro. He was just a freshman. I needed him to be safe. All I wanted right now was to make sure that he's okay. Then I thought about Dad and Leto. I needed to make sure that they were informed.

I sent them a text "We're under lockdown, if anything happens, I love you"
I sent another text to Jason "Jace, I love you baby bro. Stay calm it'll be alright"
He responded with "I love you Thals"

We heard a few more gunshots.

I looked at my classmates. Nico was crying and Will held him and tried to console him. Luke was texting someone - probably his family. Then I turned towards Reyna. She looked like she was having a panic attack. I didn't know what to do. But my first instinct was to hold her hand and calm her down.

So that's what I did. I scooted closer to her and took her hands in mine. I whispered "Hey, look at me. I got you."

She looked into my eyes. Her black eyes overflowed with tears and she nodded.

We heard several more gunshots.

"Take a deep breath." I said, rubbing circles with my thumb on her hands.

She inhaled and exhaled. Reyna looked so innocent and vulnerable. I couldn't bear seeing her like this, so I hugged her tight. I don't know what came over me but I said "I love you"

"I love you too" Reyna answered back softly after a long pause.

We heard the doorknob jiggle. My breath hitched and my heart stopped.
Everyone huddled closer to eachother with panic stricken expressions glued to their faces.

We heard a feminine voice "It's the police, Open up."

Mr. Brunner held a metal ruler in his hand just incase they were lying and he unlocked the door.

Two armed police officers entered the room and said "Keep your hands in the air!"

"It's clear! Keep moving" The Officer said before closing the door and moving to the next classes.

We sighed in relief and held on to eachother, crying. About 20 minutes later, we walked out of our classrooms to see blood everywhere and a few bodies laying across the hall. I felt sick in my stomach.

Everyone looked for their siblings and friends. I searched and searched but I couldn't find him. I asked all of my friends if they'd seen Jason. But they hadn't seen him.

I asked Mrs. Chase, Our Chemistry teacher and Annabeth's mom if she knew where Jason was.

She shed a few tears and said "Oh sweetie, I-I'm really sorry, We need to talk."

"Mrs. Chase? Is Jason alright?"

She shook her head and sobbed out "He's been shot. Sweetheart. I'm really sorry."

I felt my heart beat out of my chest. I couldn't breathe. I dropped my bag on the pavement and screamed "NO! IT'S NOT POSSIBLE!"

I felt like slamming my head into a wall. I felt as if someone ripped my heart out and crushed it.

Someone wrapped me in a embrace. I sobbed into their chest. I screamed. It couldn't be true. He sent me a text. He's my baby brother. It had to be my fault. I would've taken the bullet for him.

I don't remember anything that happened after that. I was broken. My soul had been shattered. The only person more devastated than me was Piper. She lost her sister and her boyfriend within minutes.

Our house has been silent for a month.  We barely talk anymore and no one has entered Jason's room since that day.

The only people who I'm able to talk to are Reyna - my girlfriend and Annabeth.

I stayed at Annabeth's house for the first week since my parents had a lot to deal with and I needed my best friend. If I stayed at my house, all I could remember was Jason.

I still expect my little brother to walk in one day and that it was all just a prank and he was alive. But that day hasn't arrived and probably never will.

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A/N: Sorry for this mentally disturbing chapter and for killing Jason.
I promise that the next one's gonna be fluff.
I know that the fanart doesn't match the story at all. So nevermind that.

BTW I need suggestions and ideas. Let me know if you want me to write about a particular headcanon too.