The Greatest Promise (BakuDeku)
- Reads 4,930
- Votes 109
- Parts 21
MatureOngoing2h 11m
Last published Mon, Apr 13, 2026
Izuku Midoriya is about to turn 21. When he does, his fated mate will be revealed. How will he react when it turns out to be none other than his oldest friend and former bully, Katsuki Bakugo?
This story is set a few years after class 1A have graduated.
*Bakudeku Omegaverse*
*Quirk au*
*Mate au*
Content warning:
-A/B/O dynamics
-Abuse
-Blood/violence
-Smut
-Curses
*None of the characters and pictures belong to me.*
All Rights Reserved
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Since their high school days, Katsuki and Izuku have been in an ongoing competition with each other. Both want to top the Pro Hero rankings. When they corner the villain Overhaul, the question of who is number one finally seems to be settled, until Izuku collapses in the middle of the fight for some inexplicable reason. Shocked, Katsuki discovers that his childhood friend is not a beta as assumed, but an omega. Even more so, one who is just caught off guard by his heat. Katsuki is distracted by Izuku's pheromones and Overhaul overpowers him. Instead of continuing to fight, the villain grabs the green-haired pro hero and disappears with him without a trace. It is not until two years later that the kidnapped Izuku is recovered. His once radiant smile seems to have faded forever. _______ This story is an alternate storyline with characters and references to the world of My Hero Academia. These still belong to the author. I borrow them for my entertainment and combine them with the Omegaverse. The interpretation as well as the development of the story spring from my mind and are, in these words, my own. Likewise, the cover image is only borrowed. I have not been able to find credits for it, unfortunately. Anyone who can give them to me, please do so. It fit so insanely well ... Boyslove - so only something for lovers of this genre. Don't like it? Don't read it. In the prologue, Izuku and Katsuki are 21 and 22, then 23 and 24 as the story progresses. Trigger warnings: Sexual content, harsh language, violence, trauma, flashbacks, blood, death, murder, mention of rape, sexual abuse/molestation, mentions of attempted suicide. Should you not be comfortable with any of these themes, this story is not for you. This story is quite dark, yet I would love for you to get into it. :-)Complete
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🔞Includes Mature Themes🔞 Such As- Sex A/B/O Dynamics Profanity Etc. If any of this makes you uncomfortable, read with caution. 🔞Read at your own risk!🔞 ________________ Katsuki Bakugou is a twenty year old, Omegan artist with big dreams that will just never come true. He's quirkless, and as much as he hates it, he makes do with what he has. He makes a living with painting, his few clients and the occasional customer in his small shop supplying him with just enough money to scrape by. His life gets turned upside down when the number one hero, the symbol of peace, Izuku Midoriya, otherwise known as Deku, shows up on his balcony. Whether it's for better or worse, he's not sure. The forty year old Alpha is clingy, and a bit pushy when it came to becoming friends, but Katsuki can't help himself when the man shows an interest in him. ________________ ❗Disclaimer❗ I do not own any of the characters or artwork. However, I DO own the story and plot! The idea of this story was inspired by the wonderful @Superior_Moustache on Ao3 and their DKBK thread on Twitter, @SuperiorStache https://twitter.com/superiorstache/status/1321265275543736322?s=21Complete
*This story has suggestive content but does not contain smut* Midoriya Izuku worked all his life to become a Pro Hero, but now his college was getting in the way of his dream all because of his secondary gender. Thankfully, a prime alpha in the same course, Bakugo Katsuki, decided to help him achieve his goals, meaning all hope wasn't lost. There was just one more issue... The two started to like one another, but due to their goals, a relationship would get in the way, but their instincts couldn't care less about reason. Will they be able to fight their primal urges? Or can they maintain a normal friendship and continue a regular life at college?
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