Supervillain Idol System: My Sidekick Is A Yandere

Don couldn't help but raise his eyebrow at Sumer's sudden and quite bold offer. Though the offer itself was lackluster and didn't move Don in the least, he didn't forget that this was his sister in this world so the offer had some weight to it.

Summer avoided Don's gaze after blurting out the offer and immediately looked like she regretted saying it, given the rise in her heart beat which Don could hear clearly with his Superhuman senses.

Not wanting to look completely uninterested, Don decided to answer before Summer could take back her words. "Hmm, interesting offer sis, but I'm going to have to say no. Your tits probably look great and all but why should accept the deal just to have a quick peek at them?"

By wording it like this, Don didn't completely wave off the idea and left room for the offer to be expanded upon, which he hoped Summer would do on her own.

He had also chosen to speak in a casual manner so it didn't seem like he was weirded out or anything.

His caution paid off in the next moment as Summer slowly raised her head to look up at him before muttering in an unsure tone, "then… what do you want? To like touch them or what?" she asked, trying to sound as casual as she could as well.

But she couldn't hide the nervousness she felt from Don, who understood her body language well.

Putting aside how unprepared Don was for this exchange, he knew it was a good opportunity to get closer to Summer. Especially with Amanda and Samantha out of the house.

Seeing as how nervous Summer was with just this, Don didn't want to push his luck by outright wanting something too intimate so he gave an unsure nod while tapping his chin in a contemplative manner. "Well that does sound better than getting flashed a pair of tits. But for how long can I touch?"

As Don asked this, Summer's eyes widened in surprise. She hadn't done much thinking when she blurted out the offer and even when she did, she expected Don to refuse or even laugh at her but not to agree. 'Wait… he really wants to touch my boobs… but…'

Summer swallowed hard, the thought of Don touching her breasts making her mind fuzzy and confused. The immediate and first thought was that it was wrong, they were siblings after all. But, Summer found herself wanting to agree, even downplaying it by thinking, 'it's just touching them… it's no big deal… right?'

As the seconds began to tick away, Don could see that Summer was struggling to provide an answer. His worry was that the longer she thought about it the less inclined she'd be to actually go through with it.

So, in an effort to make her reach a decision quicker, Don tilted his head at her and acted impatient, saying, "Well? If you're backing out can you move so I can head to my room?"

Don's words immediately caused Summer to snap out of her daze, yelling out abruptly, "No!"

"No?" Don repeated with a raised brow, causing Summer to become flushed with embarrassment as she looked away and muttered, "I mean, yea… you can touch them, if you want for a bit…"

Don resisted the urge to show a smile and just pretended he hadn't heard her, leaning in a bit closer and saying "huh? What was that?"

Summer knew that Don heard her clearly and was just teasing her but she currently felt too embarrassed to give her usual snappy remarks. Instead she just crossed her arms and said more clearly, "You can touch them if you want or whatever."

Don pulled away and nodded, replying with a simple, "cool," before asking "but for how long?"

This question caused Summer to gulp as she didn't really know what to say. She began shuffling her foot side to side out of nervousness before quickly saying, "I don't know, until you're satisfied I guess."

As much as Don enjoyed teasing her, he could see that she was obviously still processing the whole thing. But he could also see that she wasn't very good at being forward or taking the lead. She basically brought up the idea but allowed Don to move it this far and accepted the conclusion, though not without doubts.

So, in order to keep the momentum going, Don just needed to keep taking the initiative on matters and lead Summer along. He'd just have to hope she eased into it.

"Great," he said casually, as if they had just reached a deal on something normal, before adding, "let's head inside then."

Don didn't wait for Summer to answer and just walked past her and into the house.

Summer remained where she was for a minute, still thinking about what she had just agreed to. But as much as a part of her held doubts, another part was excited by the prospect, and she didn't want to admit it.

With her mind still uneasy, she turned and followed Don as he made his way up the stairs and to his room.

He left the door open after entering and Summer who was right behind him, paused for a moment, her heart beating faster than ever. 'How can he be so casual about this? Does he not think it's a big deal?' Summer wondered.

Unlike her who couldn't stop inwardly stressing, Don seemed completely nonchalant about the whole thing, just like with the fitting room incident, and that made Summer somewhat upset.

She walked into the room slowly with her arms crossed and just sat on his bed while nervously looking around.

While summer was anxiously waiting on the bed Don proceeded to his wardrobe to take off his jacket and shoes which he hadn't left by the door because these were new.

He had thrown out the old ones on his way home along with the other jacket he had worn which also had stains of blood on it.

Thankfully, summer didn't seem to notice this change since she hadn't seen him go out.

But after quickly doing this he turned around to look at summer who looked far more nervous than before.

He slowly walked to her and sat right next to her, hearing her swallow hard from nervousness.

As he did so, she kept her head lowered and didn't meet his gaze, as if expecting him to do everything himself.

But to make any genuine progress with her, he needed her to do some things on her own, even if he needed to give her a little push.

So, almost immediately he sat down, he turned to look at her and said, "well, what are you waiting for? come stand in front of me so we can do this quickly."

Summer felt like her heart was about to jump out of her chest when she heard Don casually say this.

'Easy for you to say jerk. How are you not nervous or weirded out at all by this! I mean it's not normal right?' She thought.

Summer grumbled under her breath, but stood up anyway, though rather stiffly, keeping her hands at her sides as she took a quick breath before moving to stand in front of Don.

It was much harder to avoid eye contact like this, but it didn't stop Summer from keeping her head turned away.

While looking at the side, she muttered , "well…get on with it already."

Don feigned a disappointed look and just shook his head asking, "is it too late to go back on the deal? It kind of beats the point when you're so stiff about everything. What are you a little girl?"

Don's teasing words caused summer to blush furiously as she frowned slightly.

She knew that right now, she must've looked rather childish, but how else was she supposed to act when her older brother was about to touch her breasts.

"Why do you have to be such a jerk about everything? I haven't done this before so how am I supposed to know what to do when a guy wants to touch you… there."

"Touch you there?" Don repeated, his tone still teasing.

Summers cheeks became a shade redder as Don said this.

She could only respond by saying, "fuck you," in a low tone.

It sounded more cute than harsh so Don couldn't help but chuckle slightly.

"I'm joking. I'm joking. Don't be mad, okay?" as Don said this, he reached out with one hand to hold Summers, which was still firmly planted by her side and held it in a comforting manner.

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He then said to her, "Just relax. Seeing as you've never done this before. I'll give you a little experience so that when you do finally get a boyfriend, you don't act like a little girl who went to Catholic school."

"Whatever, just go ahead," Summer responded, unwilling to admit that she did in fact find Don's words comforting, as much of a jerk as he was.

Sometimes he seemed to just know what to say to ease her worries, because even though he teased her about her lack of experience, he didn't outright mock her or laugh at her in the same way she had feared, but instead offered the comfort of an older, more experienced brother.

It gave her butterflies and she resisted the urge to show him a warm smile.

Seeing as she was a bit more relaxed Don pulled his hand away from hers before rubbing his palms together so as to warm them up.

As he did so, he even provided an explanation, "Unless your future boyfriend is an ass hole or just as inexperienced as you, It's always a good idea to rub hands and warm them up because when they're cold they can feel a bit more uncomfortable."

Summer didn't respond to this piece of advice, but did listen and took note of it.

After rubbing his palms for a few seconds he brought them under summers, oversized hoodie, where she had worn nothing and said to her, "ready?"

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