Now with Sitri a thing, I can't help but imagine in the little brother/son au for Cyril with Byleth little bro Cyril being upset for Byleth and Jeralts behalfs during the DLC events especially when he hears how much Jeralt and Sitri love each other and Byleth resembling her. Adopted son Cyril calling Sitri grandma (and Jeralt grandpa) as he leaves and cleans Sitri and Jeralts shared graves stones during the time skip telling them about what's been up and how he knows Byleth will come back
Oh oh oh, and Cyril hearing all these stories about Sitri and Jeralt and then watching Byleth and Claude post time skip and it just clicks in his head before it does for anyone else and now Cyril is basically wing man #1, makes sure they end up alone more often than not and drops some unsubtle hints. Every day they don't get it he complains to Jeralt and Sitri and it's like they're actually there. They may be dead but somehow they're still his only allies in this xD











