Salutations plebians. I did a big poopie.

The other day, I was listening to the classic 🅱️anger JoJo OST titled ‘il Vento d’oro,’ yet another one of Yugo Kanno’s masterpieces. That was all until my younger brother walked in and asked why I was watching TikToks all of a sudden (I hate TikTok, btw). I explained to him that I wasn’t actually using TikTok and was instead listening to some upbeat, wholesome soundtracks from JJBA. Immediately, without so much as a slight pause between the end of my dialogue and the beginning of his, he shot up and asked me, “Oh, you mean that popular TikTok song that’s on every _sensational_ edit?” As his lips touched once more, a small droplet of saliva left his mouth and landed its way right into mine. My hands had begun trembling, and I broke out a cold sweat. Maintaining my composure, I corrected him and educated his textureless brain that that “tIkToK sOnG” was actually none other than Giorno Giovanna’s fighting theme from the anime adaptation of Araki Sensei’s hit manga, _JoJo’s Bizarre Adventure_. He enthusiastically asked me afterwards if I, like him, also watched the show. I had unwittingly (and naïvely) let out a sigh of relief, thinking that he had not yet seen Part 5. And so I asked him, not wanting to spoil it for him, which part he was on. But before I could finish my sentence, he again asked me, “Who’s that?” I knew I screwed up by spoiling the name for him. I was ashamed, but that shame was short-lived when my snot-nosed little brother, without missing a beat, finished his question: “Is he introduced before or after they break out of prison? ‘Cause I’ve only watched up to the prison arc so far.” At this point, one could easily see that I was utterly inconsolable; my legs were buckling, my knees quaking, my lips quivering, my arms heavy, Mom’s spaghetti… I had just now realized that my brother—yes, MY own younger brother—was but another dirty part-skipper. Not being able to take the anguish any longer, I pushed him down the stairs and (after he tumbled down completely) heard a thud, followed by a faint ‘crack.’ That’s when I noticed that he was no longer breathing and that, much to my shock and horror I had indeed killed my own brother. I turned myself in for this heinous crime upon coming to and realizing what I’d just done. I pleaded guilty but, fortunately, the judge was understanding and released me on bond for a crime of passion. I thought I was in the clear, but now, my mother wants nothing to do with me, and my dad keeps saying, “That wasn’t very cash-money of you, bro.” I have been told that I have less than a week to pack up all my things and move out of the house. I know I killed him, but I honestly think I was completely justified and that my reaction was the normal, baseline response. But, obviously, my parents, for whatever reason, disagree. So, fellow redditors, AITA?