Severitus where Severus recognizes abuse in pretty much anyone. He's constantly pulling Slytherins aside to talk about home life, Ravenclaws, even Hufflepuffs, but not him.
He's so desperate for anyone to notice, anyone to actually, truly care, to do something, but that never happens.
Severus assigns a detention and Harry just loses it the second he steps in. Severus makes a single comment, and Harry is completely breaking down. He's shouting, screaming, even better if he's breaking things. Like, absolutely crashing TF out, and then he storms out.
When he shows up to classes the next day, he expects to be practically murdered by Snape, but he's not.
1) An apology letter on his desk, explaining his behavior, demeanor, and offering to help.
2) He gets asked to step out, just like he does with the Slytherins.
3) Normal class period.
4) A hug/reassuring words/just a form of comfort, really.
Severitus where Harry is deeply hurt/affected by Severus' strict/old-fashioned/etc parenting styles.
Severus is always portrayed as strict, sometimes bordering on straight up abusive, but then because he's better than the Dursleys, readers and authors alike tend to agree that it's okay. (IF THAT'S WHAT YOU LIKE, THAT'S FINE SO LONG AS THERE'S A DISCLAIMER.)
But arguably, most often, his tactics are rather harsh. Maybe he's firm on the whole open door policies, or washing mouths out with soap, I've seen a lot with spanking as well, but there's never any after effect, so make there be one.
Oh, he washed his mouth out with soap? Now he's scared to talk.
Spanked? He doesn't see the difference, frankly I don't either, though, so I don't have much to offer here.
No door policy? He feels watched.
Whatever you decide, there should be a point of realization that this is harmful. However that decided though differs.
Make Harry write an essay about Scary Things, and instead of writing about something normal, he writes about how he's terrified of messing up.
Maybe Severus discovers a diary.
Or, and something that I find worked with their personalities, is a massive fight. Harry messed up, and now Severus is threatening whatever, and Harry loses it. "I want to go back to the Dursleys, because at least I know they're cruel, with you it's a mix up."
It's so angsty, om nom nom nom.
Baby Harry, like 1-3 MAYBE 4. Point is, he's really young, Voldemort isn't back, and Severus had been tasked with watching over him. He constantly says he hates watching over the baby, says he doesn't want to at all, says he feels nothing for the boy.
Of course, being a spy, he has to attend death eater meetings. Per say one of the members found out about Harry, and now to "prove his loyalty" he has to bring him in. He thinks it's going to be fine, maybe a couple of harsh words, but nothing bad.
He's mistaken (of course) and has to watch as Harry is mistreated. Up to you to decide HOW mistreated. Maybe it's a couple of slaps, I prefer crucio.
Extra angst if Severus is 'invited' to join, and has to harm Harry.
I NEED trans Severitus fics rn. Think about it.
The whole pantsing thing has a whole new meaning. Nicknames like Snivellous, which imply that Severus is less of a man, makes way more sense. It's the 60's, so bullying makes sense. Greasy hair? Yeah, he doesn't want to shower and look at himself.
Matter of fact, make Harry trans too. Severitus.
Harry gets found out to be Harriet, which leads to teasing. Maybe they all just kinda thought the boy who lived was just an androgenous baby? Doesn't matter. Someone cuts up all of Harry's 'boy' clothes. Bad hairstyles? Yup, that's just Harry. Ron asking if Harry is really the girl who lived, and Harry just lies and says that he's not the girl who lived, he's the boy who lived. Finding out his dad bullied Sev for being trans? GUESS WHAT!?
Anyways, let them bond over dysphoria and stuff, Severus gives him pointers, like, don't bind with bandages, bind with sports bras or stuff, hairstyle stuff, dysphoria stuff, etc.
I NEED IT, I'M GONNA EAT IT OM NOM NOM.
"One day I am gonna grow wings."
Harry - I will get out of this place if it's the last thing I do, I will get better even If I have to claw off my own flesh.
Snape - I'm going to die, maybe then my soul can escape.
Starprincechaser except it's James and Sirius competing for Severus and Severus could not care less.
Sirius is constantly walking him to class, giving unsolicited answers to tests and such (that are also probably wrong), handing him a jacket whenever it's cold out, etc.
James glares at Sirius while this happens, doing the same the next day (probably different favors), and every day, they meet up with each other and are both like, "hah! I'm his favorite now!"
Meanwhile Severus is so confused, probably staring at a wall, questioning all of his life choices.
Snape: You're an insufferable child.
Harry: but you love me!
Snape: You're still insufferable.
Whenever whumpee is freaking out because of something, the only way to calm them down is by saying they're a good pet and patting their head.
Caretaker desperately trying to tell them that they're not a pet, that they don't need to be good, but Whumpee just isn't having it.
Definitely had a breakdown about how they think they're a bad pet, they're clawing, sobbing, on their knees, begging to be told they're a good pet, maybe even lifting caretakers hand to pet their own head, trying to convince them that they're a good pet.
Ties their hoodies super tight because they need the feeling of a collar, even though they have scars from their last one, they need it because they don't know what else to do.
Whenever they mess up, they bash their head against their fist, or scratch at their skin till blood draws, etc.
Whumpee running into Whimper and is told they're a bad pet, and Whumpee spirals.
Caretaker snapping at them one time, and saying they're a bad pet, even though they're desperately trying to break that mentality, and Whumpee just goes silent, stone cold. They drop to their knees, begging for forgiveness, maybe they're even rolling around, gripping, pulling their hair.
🚨THE ONES FOLLOWING THIS MAY BE TRIGGERING TO SOME PEOPLE, THE PROMPTS BELOW HINT AT SA, STARVATION TACTICS, AND INCLUDE DISORDERED BODY IMAGES!!!🚨
Whumpee gaining weight or something about them is off, maybe they have a pimple or their nails aren't clean, something minuscule, but they rush out of the room, dropping to their knees and sobbing, begging for forgiveness, saying they'll fix it, and caretaker is just confused.
Whumpee scarfing down whatever food they get because they're worried about being a bad pet and not getting food.
Caretaker (romantic) thought Whumpee was better, or pretty much better, so they take it a step further, making out, stuff like that, and Whumpee hates every second, but they're terrified of saying no, but halfway through they just start sobbing, apologizing and begging caretaker to stop, who does, immediately.
Backtracking off of the last one, maybe Whumpee has some serious scarring in those areas because of Whumper, so when they get to that point, Whumpee has to warn Caretaker, but when they see it all, they just kinda cry and hold onto Whumpee.
Whumpee spending hours in front of the mirror, searching for pimples, weight gain, body hair, literally any imperfections and getting rid of it because they need to be the perfect pet.
Whumpee is having a hard day and is currently sobbing or something, so caretaker is carrying them to bed, or maybe they just grab their shoulder, but Whumpee freaks out, hysterical, rolling on the floor, begging not to make Whumpee do that stuff again.
Caretaker having a bit of a rough day, so Whumpee thinks it's their job to make them feel better, so they take off their clothes, silently crying, and caretaker has never been more confused in their life.
Severitus but instead of Harry being scared of making the wrong move, he wants to make the wrong move. He can't stand the lack of chaos and shouting, he needs to feel unsafe because that is how he feels safe. So he keeps pushing his buttons, and he's getting punished ofc, but he's not being hit. There's no slapping, spanking, kicking, nothing.
One day, he pushes too many buttons for him to believe that he's not going to be hit, but to his surprise, he's not hit, so he loses it. He's screaming, shouting, maybe even crying a bit, asking when will he be hit because he can't handle not knowing.
Severus, calm as ever, maybe even looking down at a book or something, tells him he will never hit him because it's cruel, stupid, or wtv reason.
Cue Harry sobbing because he's never been told something like that, and Severus reassuring him.