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All Might is patrolling with his trustworthy sidekick, All Smile. All Smile was a green-haired green-eyed boy, real name Midoriya Izuku, who got into heroics early because of his natural talent and many many admirers, because everyone liked him. Even though he was just a sidekick for now, All Might respected him a lot and promised All Smile a spot in his agency when the right time arrived, and All Smile also knew his quirk because All Might trusted him so much.
All Smile's hero costume looked a lot like All Might's, but with more green and black with red and white highlights here and there. The green hood had two green tufts.
"Look, a villain!" All Smile pointed out to All Might, who gave All Smile a thumbs up and a big signature All Might smile. "Good job Izuku, I'm proud of you! You make an amazing hero, and your quirkless doesn't stop you from being an amazing hero and a good person!"
All Might and All Smile defeated the villain together, and All Might let All Smile do a lot of the work because All Smile was a good hero and perfectly capable of being a hero without a quirk and was also the number two hero, right next to All Might, who was number one. All Might often told All Smile that he was going to be number one someday because of how cool and powerful and loved he was internationally, just like All Might. They were practically father and son, and anybody who bullied Izuku would and should be suspended and expelled from school.
Suddenly, another foul villain popped up, real name Oyaji Janai*, a man absent from his family aside from the occasional legally required check to his wife and a video call to his son, though he usually failed to even make it on time to video calls and a lot of the time he just cancelled them even if his son was really looking forward to them all day because he only called once a week. The only reason the son couldn't complain was because his mom really needed the money and didn't need more stress on her plate.
"'tis I, The Villain!" Oyaji Janai smirked, because he was so egotistical and self-absorbed he considered himself the only villain, and the ugly tie he always wore on video calls and his villain outfit was a rotten swampy shade of barf red. On his head was a mop of white hair, which was probably a wig. "I'm here to defeat you, All Might!"
"Not so fast!" All Smile shouted with a smile, standing proudly by All Might, "Why? Because I am here!"
All Smile laughed at the villain's shocked face while All Might and the crowd cheered for All Smile.
"How could this be?! I sent those men to kill you!"
"I know, but I defeated them!" All Smile replied, still grinning, "And it was super easy, because you and your men are weak! That's the problem with evil, is that it always loses!"
Oyaji Janai gasped, clutching his chest. "I can't defeat All Might with you here, since you're strong and a good hero and can protect All Might with your powerfulness! I'll get you next time...!"
All Smile laughed. "Good luck with that! I'll await your next pathetic attempt, villain!"
Oyaji Janai quickly fled, leaving all the civilians unharmed and safe.
"You're so cool, Izuku!"
"When I grow up, I want to be just like Izuku! He's such a cool hero!"
"Izuku is the best hero!"
Midoriya Izuku was beloved and everybody liked him, aka the coolest hero who had become a hero even though he was quirkless, all by himself even though everyone doubted him.