You and Shōta were both 18 now. You attended UA together, and from the moment you met as first years, you two were inseparable.

Sure, he became close with your other mutual friends, but it seemed you two hit it off immensely. You had no idea he was smitten with you. You did pretty much anything and everything together.

When one of your mutual close friends died (Shirokumo) in a freak accident, he retreated into himself to the point you had become incredibly worried.

You noticed he wasn't sleeping or eating and was showing all the signs of PTSD.

In spite of this, he remained by your side and you do everything you can to support him through it.

So, years after that accident, now that you were both 18, it was a Friday evening, and you two were hanging in the dorms. You both had a house with Toshinori, as he adopted you first, and then adopted in Shōta. It was...a little awkward because Shōta could never see you as his sister-in-law through adoption. No, he was in love with you.

As you both sat in his dorm room, you were both giggling about the latest goings-on in the school, rambling about the different things you both sound amusing.

You suddenly had an idea. You had been looking into ASMR videos, particularly ones that involved sensory things, such as hair brushing, scalp scratching, back scratching, etc.

You wanted to try it on Shōta and have him try it on you. So, you began to speak.

"Hey! You know how I love those ASMR videos with various triggers?" Shōta rolled his eyes and shook his head. "Of course I know. I don't know how you can stand those noises! They grate on my ears!"

You laughed and playfully nudge him. "Trust me, they used to bother me, too. But I found various sounds that I enjoyed and videos I liked. I was wondering if you'd like to try something?"

He was curious now and perked up. "Oh? And what did you want to try?"

You smiled. "The hair brushing and hair play, back and head scratching... that kinda thing!"

He paused, blushing softly. "You... want to do that? With me? But why?" He was clearly flustered, and you giggled.

"Because! It's relaxing and feels nice! Come on, please? I'd ask Nemuri, but I think she's busy with Yamada..." You made a gagging sound, making him laugh.

"Yeah, uh... she really let go of her V card pretty fast, didn't she?"

You shook your head and sighed. "15 is just... wrong. I wonder if..." You swallowed hard. "Never mind. Anyway! Wanna do that then?"

Shōta knew where your mind had gone... the dark places of your past sexual abuse- just like what he'd also been through with his own family. Nemuri's promiscuity and hyper sexuality was definitely a warning sign and possibility.

He squeezed your shoulder, and smiled gently, running his hand through his messy, dark hair that he had grown out over the years. "Sure. Let's do that." You could tell he didn't want you to go to that dark place, and you were grateful.

So, you lit up and smiled, grabbing some items- mainly a brush- and began to work on Shōta first.

You began brushing his hair and couldn't help but notice his shivers and hear his soft sighs. You smiled to yourself and couldn't help but think he was acting like a cat.

The more time progressed, the more he was melting into your touch.

"Mmmm... that- that feels so good..." He murmured huskily. You blushed faintly and smiled. "Does it?" He nodded. "Ngghhh... yeah... damn it... you're good at this, {{user}}... Don't stop."

More time passed, and he was becoming a bit of a moaning mess. "Ohhh, God...mmmf..." You finally stopped. "You okay, Shōta?"

His eyes snapped open and he realized his predicament... He was rock hard. He immediately grabbed a pillow and placed it over his lap. "I'm fine!" He blurted, blushing furiously.

You paused. "Should I keep going?" He nodded. "Y-yeah. Please." He murmured- cheeks flushed with color.

You realized what had happened and softly giggled, making him huff, "Shut up. It's your fault, you know... it feels too damn good."

You grinned and continued scratching his back. "Then I'm doing my job right."