The Devil Inside (Yandere AruAni)[COMPLETED]

Chapter Twelve - Death of the Innocent One

ADVISEEEE!!!
Hi guyss I have an advise. This chapter is really full of angst (hope I wrote it right) and I wrote this while listening Daddy Issues, Sasha death theme, Ludovico Eunadi - Experience ect. and you might wanna read this while listening those songs. It's gonna be awesome I'm sure. Anyway love you all 😘
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-Eren's POV-
Armin was acting weird again. He was acting weird since that detention with Annie. I don't have anything againts her but might she done something to him? I'm gonna talk to her. There was 10 minutes or so before the class start so I wanted to talk to her (In real life when shitty school puts classes at 7:30 coming 10 minutes early is imposibble. You should be lucky if you make it before principal starts on his patrol)

"Annie! Good morning, can we speak there?" we went to a quiet corner in class

"What's up?" Annie asked me

"I don't know if you noticed but isn't Armin acting-"

"Really weird?" she finished "Yes I've noticed"

"Well yeah. He's been like this since that detention you two went so might something happend there or something like that? Not that I blame you! Please don't take it wrong" I tried my best to not offend her

"I'm not getting it wrong but no we didn't do or saw something like that" she said "Well something odd happen last night so it's good that you bring this up. Was he weird last night?" she asked me

"No, I mean he saw a nightmare and woked both of us up. Maybe that's what made him upset? He said a voice in his head was trying to convince him into killing someone" she looked up to me

"So that's why he said those stuff!" she said  to me. I was visibly confused

"He didn't told you?" she asked me confused. I raised an eyebrow

"I think he didn't feel good about telling you but I'll tell anyways" I was really concerned now. She was concerned too I could tell. She told me eveything what happend last night after we fall asleep. I felt terrible. My friend needed help and I didn't do a damn thing. I looked at him and found him glaring at me. Like a tiger glaring at his prey. Seeing him like that was scared me. Annie was seeing it too. I nodded at her and made my to Armin. He watched me as I do so. He really looked scary. I sat next to him

"Hey bro you okay?" I was trying to smile at him but he made it impossible. He glared at me for a few seconds before taking a deep breath. He smiled at me. Not a friendly one I could tell

"Yeah I'm fine"  he said without an eye contact

"Even a broken lie dedector can know that's a lie" I teased him. He didn't reply

"C'mon tell me what's going on" I poked him. He looked my face. That eyes of his, they used to be full of life but now they were emty. Like he's dead inside

"I suppose Annie told you what's going on already. You two look so close" he looked away again. He didn't mean it didn't he?

"Armin! What is that supposed to mean?" I asked half laughing. He was joking right? He looked at me and turned away again. We were sitting next to each other and yet he was ignoring me

"Armin don't ignore me! Why are you ignoring me?? What's the meaning?" I decided to annoy him until he answers me. He first looked away. Than he was visibly annoyed. He showed his teeths but I contunied

"What's the meaning?" I asked. I poked his arm wich he screamed in pain

"Wow are you oka-"

"IT MEANS LEAVE ME ALONE YOU IDIOT" he snaped and hit me with his book. I fall from my chair. I never saw him this angry and hatefull