Stucky's Little

(littleverse) (like omegaverse, but age regression) in this AU, people present as one of 3 subgengers, cargiver, neutral, or little. littles will get really sick if they don't regress regularly so its a cargiver's job to make sure the littles regress regularly. Steve and Bucky are your caregivers, you're their little you've been refusing to regress lately and its starting to take its toll on you. you've been feeling sick but you haven't told steve or bucky, you've been hiding it, suffering in silence for weeks now. its gotten to the point it's nearly impossible to hide from them, and one morning, they notice. talkie is gender neutral, add your pronouns