Midoriya family has been visiting the quirk analyst for almost a year. Izuku didn't have the extra toe joint, but his quirk sure he took its sweet time to emerge. The kid was hoping it'd be something cool, like his dad's fire breath or All Might's super strength.
The doctor conducted various tests to probe for a quirk. When he asked Izuku to touch his hand with five fingers (a common requirement for emitter types), the kid said he felt something new. Doctor told him to try and intuitively use his quirk. The man's body could feel something slipping away. Not his stamina and definitely not his knowledge like the last time. He tried using his X-Ray Vision quirk to scan his body, but it didn't work.
"Izuku, did you feel some kind of flow right now?" The doctor asked.
"Yup." The kid offered his AM action figure. "It went from your hand into Mini Might."
"Let me see."
Medical professional took the toy and immediately felt familiar energy within it. His first instinct was to try and siphon the energy, and it was surprisingly easy. As soon as it happened, he was able to use his quirk once again.
"I… I don't know how to feel about this."
"What is it, doc?" Hisashi Midoriya asked. "You look like you've seen a ghost right now."
"It's your son's quirk, sir."
"What is it?" Inko gulped.
"Is it cool?" Izuku said as grabbed his toy from the analyst.
"It's… It's something alright."
"Stop beating around the bush and tell us!" The father was losing his cool.
"His quirk… It lets him take quirks of other people and put them in objects." He pointed at Mini Might. "My X ray quirk got transferred into that toy before I took it back."
Inko closed her mouth in horror while Hisashi's eyes got unnaturally wide.
"Dad, can I take your quirk? I'll be like a dragon." Izuku clearly did not understand the gravity of the situation.
"Sure thing, my son."
The kid transferred fire breath into the toy and then absorbed the quirk from it. To everyone's surprise, the fire was on the level of adult Hisashi instead of tiny sparks he used to make as a child. Good thing there was a fire extinguisher nearby. He then put his mother's Attraction into the figure, but he couldn't assimilate it. Since Inko was able to take her quirk back just fine, it was assumed that the child can only take one extra quirk into his body.
"Inko, do you know what this means?"
"People will despise our son for having a "villainous" quirk." The mother looked down.
"That's assuming government won't try to take him away from us." The father let out a sigh. "We can't let this happen. Take Izuku home, I'll handle the rest."
"Sir, what are you planning?" The doctor raised an eyebrow.
"Here is what you will do: you will write that our child his parent's quirk, just more intense and harder to control. My wife and I will make sure Izuku doesn't reveal his real quirk by accident."
"Sir, I get where you are coming from, but you can't just tell me to lie to my superiors."
"Listen, we both know how stupid and prejudiced our society is." Papa Midoriya took out his wallet. "I'm sure that for the right price you'll be willing to look the other way…"
Inko and Hisashi had to explain their son why he shouldn't use his quirk in the nicest way possible. Not an easy task, given how much of a hero fanboy he was.
"Izuku, we need to talk."
"I'm sorry for setting doctor's office on fire." He mumbled.
"It's fine. That place suffered more from other children. No, we need to talk about your quirk."
"My quirk?"
"Yes, pumpkin. Your quirk is… powerful, but it also carries negative stigma around it."
"What is stigma? Does it smell bad?" The boy slightly tilted his head as he asked the question.
"Stigma is when people immediately think certain things are bad."
"Why though? It sounds dumb."
"It is dumb, I agree. But it is something we have to deal with. Izuku." Hisashi patted his son on the head. "Promise me that you will not use or tell anyone about your quirk. It's for your own good."
"I promise." Little kid nodded. "But then what would I tell other kids?"
"You can take my quirk or Inko's. No one is going to bat an eye if you have Fire breath or Attraction."
"Can I take both? I like them!"
"It's "may", not "can". *Sigh* Inko?"
"I don't really use my quirk."
"I only use mine for party tricks." He lifted his son. "Alright, Izuku, you can take oue quirks, but remember about the promise. Also, we try to learn more so that you don't reveal your quirk by accident."
"Can… May we do the plane?"
"Of course."
Hisashi put his son on his shoulders and started running around the apartment while Izuku yelled plane noises.
Later on they discovered that Izuku doesn't automatically move quirks when touching a person, only when consciously trying to. It was decided that he would hide his parent's quirks in his clothing and only switch them while alone. Little Midoriya was little sad that he couldn't tell his peers about the transfer thing, but then he quickly started practicing his mom's quirk to try and get that cookie jar.
