Spark Siblings Au Headcannons
So basically it’s an AU where Jay and Kai are siblings instead of Kai and Nya,still endgame Jaya if you wish. Idk I just love the idea of them being siblings,especially with their interactions during season 11
When Kai and jay tease each other it sounds very mean to outsiders,but they both know they love each other and are just messing around. Doesn’t mean that they might go too far sometimes tho
Kai and jay will tease the hell out of each other,but if anyone else does it it’s a big no no
The kids tried to bully jay at first,because he was the younger sibling and also more scrawny,but Big Bro Kai soon put then in their place.
As kids when jay would invent stuff,he’d send Kai to go find the parts he needed because Kai was more athletic and enjoyed the adventure.
Because they were too poor to afford a video game console,jay just made one out of old parts and an old console manual. Jay does some work in a video game store in return for old video games and adjusts them to suit his console.
When they joined the team and jay realized he might have a crush on Nya,he asked his Big Bro Kai for tips on swooning the ladies bc Kai is a Ladies Man right? It ended as well as you’d expect. Jay cried for a week
When Lloyd joins the group and Kai adopts him as a brother,jay is totally not jealous. Not at all. It’s not like it felt like Kai was replacing him right? Nope not at all.(everything bubbles to the surface eventually and they fight it out,then sort it out after talking with some hot cocoa.)
Lloyd and jay end up bonding over video games and comics anyways,but there is still some jealousy at the back of his mind
They bicker a lot,especially when jay got his powers and officially joined the ninja force. Despite him being a capable ninja,Kai is still Jays Big Bro and worried about him potentially dying