I've seen no stories like this

So anyways our main character lives in a world where only females have powers and he was like abused on a daily basis he had a father named waltz which let's just say he knew toshi and inko At a young age and at the age of like five he doesn't have a quirk obviously but he was actually born very very strong at least stronger than most other people to compare how strong he was at this age
So he was strong enough to put a dent in metal doors at the age of five not break them yet

But waltz knew he was unique and different from all other males although he never showed off his powers and he was always sort of abused by his mother or mothers if you want to give them more than one

And there's like about only 20% males and 80% females in the world and he was bullied but not as much as most males the reason behind that because usually when someone punches him in the face or in the body it feels like punching like would pretty much it hurts their hand instead of him usually even those with strength enhancements Quirks still feels like you're punching something not human so he still gets bullied but he doesn't get like usually beaten up but he still does

So waltz had a crush on both inko and toshinora so the doctor has said that toshi what is quirkless and her mother didn't like that so she abandoned her so she was taken in by inko mom nana

And waltz found out and wasn't very happy so he paid her a visit at night time and pretty much drugged her to where she will be sleeping for many hours and ripped her arm clean off and started to well he didn't want her to die yet or not die because he wants to torture her more in the future but yeah she cleaned up the like everything and yeah

So inko was told she was born with a weak quirk so her mother still loved her and she was very upset but that's one of her waltz and Nana told them that if they keep on training it will keep they will get stronger and Nana asked waltz to be her successor but I said I'm already strong enough to handle myself

And said you should give the quirk to toshi she wants to be a hero more than anyone I know so she listened to her she didn't say on like who was going To be her first choice mainly because afraid of how she will feel and there might be a strain in her relationship she was thinking about it because having her know that one of her best friends waltz gave up even more power for her but then again it might also backfire just in case she didn't say anything

So They were training their powers and waltz was just getting stronger and stronger to the point where nothing really works on him very well even elemental stuff he's very much and moon and durable to really anything throughout on fire ice even poison he's became immune to poison

Although he's also smarter than anyone in his class and really anyone most people in Japan doesn't have his intelligence even some scientists

So he became A scientist experimenting on his own blood trying to figure out what makes them different from normal human females like obviously the quirks but like what makes him different completely

So anyways he doesn't really know but he has made inhibitors with his own blood or boosters you can call them

So many years went by and Toshi and inko became heroes they're both in the top 10 which he was very happy that they achieve their goal so The number one here are you already know who that is

But the number five hero is yeah so yeah the ones who asked him out or the two of them which they agreed to share but because of fame and their ego growing they started to become more cruel towards him because of it thinking that they're better and nothing could go wrong

So yeah after the both of them got pregnant like perhaps inko got pregnant with izuku and toshi got pregnant with his sister or her two other sisters perhaps inko Got pregnant with another girl

So yeah they kicked waltz out of the house which did hurt but they ignored it after that he was in raged because it seems like they forgotten what he did for them like he was able to put up with the abuse of that but kicking him out is drawing the line for him

So after that he had more time with his science and he had a daughter well another one which he was hoping that perhaps this one won't turn out like his daughters because he knows his daughters are going to think men are worthless because of his ex GF,s

So he decided to do you like make sure she doesn't turn out the same way perhaps he did remarry and perhaps it's with one of the heroes which is still alive

And with our main character he gets like by his parents and his sisters and they're friends well his ex friends he should say and ex crushes

So he started to walk down the street perhaps he actually did kill a female because she was trying to do things to him that he wasn't comfy with Walt saw this he hasn't seen a man in so long so he asked what's the issue and what's your name and he said everything and after that he was mad because his like he thought his wife well his ex GF,s abused his son which she was not happy about then he explained everything and he was happy to be reunited with his father

So he was also very very strong possibly equally as strong as his father then again might be a little less strong and then his father but who knows they are super humans

So he and his son are very very intelligent he's been trying to find a cure himself or the both of them have but it's always end in failure and because of that well because of that quirks started disappearing in men who are actually physically stronger than the females and have been surviving they've been they know exactly what they're doing

So they know how to build and that because Dave and well females always they don't really know how to build so they build whatever they can and perhaps the females are actually peacekeepers sort of but anytime they meet a male usually if there's two of them the males always win it just shows on how much stronger males are

So I'm not like talking about females are always weaker than males but in the story females have been always given everything they want so they know less about survival most men always survive or all they survived the apocalypse in the story

Harem whatever you want if you want you can add like high school of the dead