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Chapter 4
by
LewdUnion
Whose name does he write down?
Ochako Uraraka
"Ochako Uraraka will come to Izuku Midoriya's dorm after grabbing her kettle bells. She will kiss him immediately after he opens the door, unless it would be her first kiss or someone would see, in which case she will just push him inside and hug him. She will then tell him 'Your notebook made me do this.' And slap him hard enough to leave a red mark. If this entry is not enough to trigger the Sex Note, then Ochako will do the bare minimum sexual act to trigger the note before leaving and forgetting this encounter. Izuku will also forget this encounter, after writing any details he needs to remember in a seperate notebook, left open and in sight. Any sexual acts done to Izuku will reinvigorate both parties and heal any soreness or discomfort.'
'There. If there is any truth to the Note, then this should trigger it. It should also perserve Ochako's dignity. This was a test, after all.' Izuku thought to himself.
A few minutes later he sat down at his desk. Staring at the words written in his spare notebook.
"It worked. She hugged me, then slapped me. Then brushed her hand against the front of my pants, long enough that I knew it wasn't an accident. I was right about a hug not being enough, there needed to be something inherently sexual written down. I don't know if the memory bit works, but I hope it does, since she seemed to come out of it at the end there, and almost forgot her kettle bells on the way out. I guess I'll know if it erases memories in a few minutes though. As for invigoration, thats a success as well, although some of that may be from excitement. My muscles still feel sore, but much less so. Partial success??"
That was definitely Izuku's handwriting.
'Well that proves it then. So what should I do? Get rid of it? No. Someone like Mineta would end up with it. Entrust it to All Might? Tempting, but then I have to explain that I used it. There was also the command he had added on at the end. His handwriting suggested that it only partially worked, but now he felt great, like he hadn't even trained. So it seems there's a lot of interesting things that the sex note could do. When it came down to it, Izuku wasn't going to feel right until he talked to All Might. He would explain everything, to both All Might and Ochako. Izuku sighed, he wasn't even certain that Ochako liked him, and even if she did, she probably wouldn't after this.
Izuku took the stairs quickly, hoping he could hold onto his courage.
"Hey Uraraka-san! Could we talk, it's important?" Izuku hoped his nerves weren't showing through.
"Sure Deku-kun! Whats up?" Ochako replied.
"Uh, Not here. I was thinking in my room? It's just that uh, it's about- I mean- I promise it's important!" Izuku bowed, maybe if he made it seem formal she wouldn't think he was being weird?
"Sure?" Ochako tilted her head.
"So to summarize. This thing fell on your head, you thought it was Mineta's- which doesn't surprise me, that creep, but you thought that if it was real, you would be responsible if anyone else got their hands on it and used it for all sorts of uh, naughty stuff. So you tested it." Ochako said.
"I- Yeah." Izuku was waiting for the other shoe to drop. There was no way she wasn't going to be upset. It was a total intrusion on her privacy, her free will!
"And while testing it, you came up with the LEAST perverted thing you could think of, while also being considerate enough to make sure neither of us remembered the event itself, eliminating all of the awkwardness that would have come with the situation. Basically being as responsible as anyone can be while making sure it works, as well as testing for ways it could benefit others. Yeah?" Ochako continued.
"Well, yeah. If it did work, and there was a way to use it to help people..." Izuku replied.
"AND you still think I would be upset with you? I mean sure, based on the notes you took after. I did something that I definitely wouldn't have the confidence to do normally, but neither of us remembers that. You were also considerate enough to make sure I wouldn't forget my first kiss! You did the right thing as far as I can tell. The real question is, what should we do about this thing now?" Ochako tossed the book onto the table.
"So you aren't mad?" Izuku was dumbfounded.
"I probably would have been if you hadn't thought out that kissing business, and I definitely would have been mad if you never told me about this, but like I said. You did the right thing, that's what I like about you, Deku." Ochako smiled.
Izuku let his mouth drop for a second, then shook his head. "We should take the book to All Might. He'll probably have a better idea about what to do about this." Izuku went to get up, but Ochako got in his way and pushed him back onto his bed.
"No. This book fell on YOUR head. We should assume there's a reason for that. You should use the book to help with our training. Besides, you know how word travels in this school. Even if the teachers wanted to keep this a secret, it would spread like wildfire. What do you think Mineta would do once he heard? Don't answer that." Ochako hit him with an argument that he couldn't really attack. The only secret that HAD stayed secret within the school was One For All.
"So how should we use it, then?" Izuku asked.
"I'll leave that to you, on one condition. You leave my memories intact. I want to know what you decide to do with me, and that is easier when I can remember it." Ochako answered. Izuku wasn't sure what to respond, this wasn't how he had pictured the day going at all. What happened next would dumbfound him even more.
Ochako leaned forward and kissed him. It was a deep, long kiss. One that left them both gasping after. Ochako went beet red. "See you later, Deku!" She called as she rushed out the door.
Izuku was left touching his lips. 'My first kiss..'
Something about what she said stuck out to him. 'I want to know what you decide to do with me.' It stuck in his head, playing in a loop before it was obvious. 'with me.' 'Had she just given him permission to use the note with other girls? No, surely not.' Izuku thought to himself, but it was too late, as images of all the girls in 1A and beyond popped in his head.
//AN//
I couldn't see Izuku going full pervert straight on, so I wanted to find a way of introducing that idea to him, it seemed like going Ochako route had the best chance, since she likes him, but seems to want him to be happy more than she wants him to herself (IMO). It also made sense for her to react this way, since I don't think Ochako could picture Izuku using the note like Mineta would (or how us real folk would).
//AN2//
Hi there. If anyone wants to continue this, they are free to. I seem to have an issue with motivation on this site. I think what I'm going to do from now on is write privately, and then if it gets to a good length I can post it on here. That said, I'll probably be doing that with brand new ideas, and not one I've already posted. Sorry.
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Sex Note
Much more fun than a Note!
The Sex Note is like the Note, but causes sexual situations rather than killing people. Pick a world, pick a character, and enjoy!
Updated on Jun 3, 2026
by Sha11ow
Created on Jan 5, 2021
by Sexdream
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