so i was thinking
The room fell silent aside from the chattering voices playing from Klee's favorite TV show. The two stared at each other, wide eyed and unmoving. "...Diluc?"
Eyes filled with guilt, regret, longing.
And as if the icy wall he built around the confines of his heart started to crumble, the redhead let go of the breath he didn't know he was holding, although the tension was still on hìs shoulders, "Kaeya."
"...Hm? Kaeya-gege, you know the weird grown up?"
An AU, in where Diluc and Kaeya separated ways after an accident and Jean decides to set them up in disguise of babysitting Klee in attempt for them to get to reconcile.
Or Jean is just really tired of hearing both sides whining about how they miss each other every single day.