We See a Man Named Hisashi Midoriya Sitting at The Edge of His Bed as He's Feeling Sad for his Son who was Just Diagnosed Quirkless 

Flashback

Inko: Hisashi

Hisashi: Yes my Lovely Nurse

Inko: You Know Today Izuku Gets to See his Quirk 

Hisashi: Hey Maybe He'll Have a Flame Quirk or a Telekinesis One

Inko: Only Time will call

Just then they heard Tiny feet Stomping as They saw their Son Dressed and Ready

IZuku: Mommy Dad I'm Ready to go to The Doctors 

Hisashi: How'd you Get Ready that Fast 

Izuku: I set up a System where as Soon as I woke up I Jumped into Fresh CLothes Brushed my Teeth and grabbed my Backpack

Inko: Awwwww Your Sooo Cute 

Hisashi: Well Lets Go 

They Exited the House as Izuku skipped to Their car and Got in 

Izuku: Mommy what quirk do you think I'll Get 

Inko: I Dunno Sweetie maybe one Like All Might's 

Izuku: That'd be Great 

Hisashi: ooo Maybe one that allows you to blend into the shadows 

Izuku: *Deep Voice* I'm Batman

The Family Arrived at The Quirk Doctors office as They had to wait a While But Once they were called back they did some Tests as Izuku was Super Excited 

Hisashi: What if his Quirk is Generating Black Holes

Izuku: That is Both Scary and Awesome 

Inko: It could be one where he talks to Animals

Izuku: does that Mean I'd have to sing like a Disney character 

Hisashi: HAHAHAHA

Doctor: Okay So the tests came Back

Izuku: What's My Quirk *Excited*

Doctor: You don't have one 

Izuku: huh 

Doctor: Your Quirkless Kid 

Izuku: *Shocked*

Hisashi: wait what

Inko: How can That be 

Doctor: Well your Husband is Quirkless and You have a Low Powered Telekinesis Quirk so it was always a 50/50 chance 

Izuku Began to cry as Inko Hugged him and They left the Office and Headed Home

END 

Hisashi felt sad for his Son as He got out of Bed and got Dressed as He Exited his Room and Walked down stairss unaware that Izuku saw him

Izuku: "What's Dad Doing"

Izuku Followed his Dad as he hid Behind a Stone Wall in the Backyard as Hisashi Input a code on the Shed door and The Floor opened up Revealing white walls like a Lab and Izuku followed his dad in and was shocked by the room

Izuku: Whoa 

Hisashi: *Turns* Shit 

Izuku: Sorry Dad I was Curious 

Hisashi: *Sigh* it's fine it was only a Matter of time before You found this place

Izuku: what is This Place and Whoaaaaa cool suit

The Suits on a Mannequin

Hisashi: That is my Old suit for when I worked for Umbrella 

Izuku: What's Umbrella

Hisashi: They were an Evil Pharmaceutical Company I worked for 

Izuku: So your a Villain 

Hisashi: not anymore

Izuku: what did You Do For Them 

Hisashi: Well....When They needed someone to be silent I'd Intimidate them,I'd Kill People,Steal Things and Give them to Umbrella,Escort,Train and Everything in between 

Izuku: whoa

Hisashi: My last Job was in Raccoon City Years ago I had to Recover a Sample to a Virus called a G-Virus and bring in the scientist but My Comrade "That fucking idiot" shot him a Bunch so we took the samples and left but the Scientist Infected himself with The G-Virus and attacked us destroying the Viles and causing the outbreak 

Izuku: so it was Your fault

Hisashi: Like 5% of it anyways I got away with Two Samples one of which I Kept 

Hisashi went to the center console and punched in a code and it opened up revealing 

Hisashi: The Last Ever Sample it could Either make you an Amazing Creature or Make you a Mindless Killing Machine 

Izuku: Can it give me powers

Hisashi: and I'm Putting it away

Izuku: But Dad I'm Quirkless

Hisashi: Izuku the G-Virus or Any of the Virus's aren't a Joke 

Izuku: Bu-

Hisashi Knelt down and put his Hands on Izuku's Shoulders

Hisashi: Izuku Just One Virus caused the downfall of an Entire City THIS VIRUS Many suffered all Virus's are Dangerous 

Izuku: *Tears up* Then how will I Be a HEro

Hisashi: Easy I'll Train You

Izuku: Really

Hisashi: Yes I'll Show you everything I Know Stealth,Hand to Hand combat and Weapons But Promise me Under No circumstances You'll ever use a Virus to gain Power 

Izuku: I Promise 

Hisashi: Good 

Izuku: Does Mom Know about this Place 

Hisashi: *Sweat Drop* here *Hands a 100$ bill* Don't tell her about this place

Izuku: Make it 400

Hisashi: 350

Izuku: Deal 

Hisashi Gave Izuku The Money as They Closed everything as Someone was watching from the Distance 

???: FInally FOund Him and He's a Family Man How Interesting Hahahahaha It'll be Good Ripping his Family apart Right Kurogiri 

Kurogiri: Yes All For One 

AFO: If I can Get that Virus and Replicate it Hahahahaha I could Take over the world 

All For One was Scheming unaware he was Being monitored by someone with a Little Skill 

TO BE CONTINUED 

NEXT-IZUKU'S BIRTHDAY 

AFTER-ALL FOR ONE ATTACKS & EXPERIMENTS BEGIN 

THEN-6 YEARS LATER