A/N: This is the first chapter of a commission ordered by Doomstar87. Please read, review, and enjoy!

A Sleepwalking Soldier: Summer Times!

Chapter One: Ice Cream for Makoto!

The heat of June persisted even through the night, the setting of the sun and the rising of the moon offering no relief for the citizens of Tokyo. Junko Enoshima, however, was exempt from this particular form of despair, being comfortably insulated in her air-conditioned penthouse. No, precious sleep was denied to her for an entirely different reason.

Junko groaned in exasperation, Mukuro's sleepy mumbles keeping her awake. Geez, if it's not the summer heat keeping me from my beauty sleep, it's Muku's incessant muttering! Guess having a sleepwalking sister has its downsides…

She turned her head, staring towards the slumbering soldier. Ever since her rival-in-love, Kyoko Kirigiri, managed to prove the existence of her sleepwalking antics that Junko facilitated, Mukuro set aside her differences with the Ultimate Detective and agreed to a relationship of respectful rivals. As a result of their accord, Junko could no longer convince Mukuro to commit acts of violence towards Kyoko.

Still…that's only a minor disappointment… The Ultimate Fashionista mused. Just 'cause I can't make Muku kill Kirigiri, that doesn't mean I can't make her cause the detective and luck boy headaches of a different sort…besides, if I can't get my beauty sleep, then I may as well have some fun with this!

Junko leaned over into Mukuro's ear and began to whisper. Her voice was as slick as a snake, causing Mukuro to shiver.

"Muku, are you and that evil siren still respectful rivals and junk?"

"…Kirigiri…isn't evil anymore…just…a rival I respect…"

"So, did you claim Makoto…like you deserve…?"

"…No, it's Naegi-kun's decision…not ours. We'd never force him…to pick one of us…ever…"

Junko sighed in exasperation at Mukuro's defiant snores. "…Ugh, whatever. Well, since it's summer, you should make Naegi something to help him cool off, like an ice cream sundae. Oh, and let's do the same for that Princess of Hope's Peak Kirigiri. It'd be nice to see where she lives."

"…Ice cream…?"

"Yes, baka-atama!" Junko rapped her fist against Mukuro's head. "You guys respect each other now, right? So, what better way to show your respect than with a frosty treat? Oh, and get me a strawberry while you're at it…with nuts and lots of chocolate syrup!"

Mukuro let out a yawn and nodded. "Good plan…imooto…"

The Ultimate Soldier curled up and went back to sleep, leaving Junko to eagerly await the moment when her latest antics would come to fruition.

*Crash*

"Itai…" Mukuro mumbled, having rolled off the bed.

Junko cracked open an eye, her lips tugging into a Cheshire Cat grin. She watched as Mukuro slowly got to her feet and lumbered out of the room.

"Well, at least she's finally moving…"

Junko yawned, sitting up and stretching her arms into the air. Swinging her legs over the bed, she got to her feet and dusted off her nightgown.

"And what kind of sister would I be if I didn't keep watch over my dear sis, ne?"

As soon as Junko turned the corner into the kitchen, she saw Mukuro diligently at work. Two tubs of ice cream, one chocolate and one french vanilla, sat on the counter next to the freezer.

"Ice cream…" Mukuro muttered, causing Junko's lips to tug into a mischievous smirk.

"Hey, Muku…" Junko sauntered over to the drawer and pulled out a second ice cream scoop. "Bend over, won't you? I'm gonna make a treat for you."

Without hesitation, Mukuro bent over in a hinge. Other than a shiver, Mukuro barely reacted to the scoop of french vanilla or the cracked peanuts Junko unceremoniously dropped on her short black hair.

"…Naegi-kun loves…french vanilla…we need more…ice cream…"

"Well, then let's head to the konbini and get more!"

Mukuro stood up, muttering, "Yes…you have the…best ideas, Junko…"

Junko grinned. "Of course I do! All my ideas are sweet, Muku! Now get the car keys and take the wheel!"

With an unintelligible mumble, Mukuro walked out of the kitchen. Junko followed close behind, looking forward to the antics that would ensue, especially with her sleepwalking sister at the wheel.

Junko sighed in boredom, resting her cheek in her palm So much for exciting…how can Muku drive so smoothly when she can't even see the goddammed road?! Is even just one fender bender too much to ask for..?

Turning her head, Junko stared out the window. Her eyes lit up as she saw a car approaching from behind. As she lowered the window with one hand, she opened the glove compartment and pulled out a grenade. After removing the pin with her teeth, she tossed it out on the road. Her lips tugged into a satisfied grin as it exploded, turning the car above it into a smoldering pile of charred metal and bones.

Ah, I feel better…nothing like a healthy dose of despair and death to make my boredom go away. Junko leaned back in her seat, resting the back of her head in her palms behind her. Well, that should keep me satiate me until we get there…

*Bonk*

"Itai…" Mukuro muttered as Junko glared at her, hammer-in-hand.

"Alright, sleeping ugly, listen up. It's sweltering hot outside, so we're gonna make this quick. Sweat does NOT do my skin any justice! Got it?"

Mukuro nodded. "Okay…Junko…"

As Mukuro turned around and walked ahead, Junko stared at the the sticky, yellow sheen covering Mukuro's hair. Huh, guess the ice cream on her head already melted in the heat. Her hair looks so sticky now, like someone covered it in glue! Ahh, classic me!

Shaking the thought from her head, Junko opened the trunk and put the hammer back inside. Once she put it away, she spotted a pigeon perching on Mukuro's head. She stared in amusement at the odd sight. Before she could snap a picture, however, Mukuro snatched it in her fist. Her fingers squeezed, and a quiet cracking sound echoed in the parking lot. When she let go, the bird plummeted to the ground, dead.

Wow… Junko giggled, impressed by the sight. Guess Muku's just as dangerous asleep as she is awake… Junko shrugged. Well, guess I'd better follow her…She then ran after her sister, hoping to be in and out in a flash.

Mukuro walked into the kitchen, carrying three bags of groceries. One contained tubs of french vanilla, belgian chocolate, and strawberry ice cream. Another contained several bunches of yellow bananas, while the last held bottles of chocolate and strawberry syrup. Junko meanwhile had already went to bed, leaving Mukuro with the order to make Makoto the best ice cream sundae he had ever seen.

*Knock Knock*

Junko groaned, awakening to the sound of knocking on her door. She tried to tune out the sound of Mukuro's shuffling footsteps as the Ultimate Soldier approached the bed.

"Muku…I need my beauty sleep. Go and…hey!"

Now wide awake, Junko kicked uselessly as Mukuro lifted her into her arms and carried her out of the bedroom.

"Muku, lemme go!"

"…It's…finished…must visit…Naegi-kun now…"

Upon being placed on the counter, Junko pouted, crossing her arms over her breasts. Her pout vanished, however, when she turned her head and saw the strawberry sundae next to her. She nearly salivated at the chocolate syrup forming a soft, rounded cone over the chocolate and french vanilla ice cream. Her tongue slithered out and licked her lips when she saw the rainbow sprinkles and cherry that were sprinkled over the creamy, monochrome treat.

Damn, I gotta admit, that looks delicious! Guess I should have expected this kind of handiwork, considering she can bake brownies in her sleep and not get burned!

She dipped a finger into the sundae, scooping a bit of ice cream onto the digit before popping it into her mouth. Her eyes practically bulged out of their sockets, and she moaned in pleasure.

"Ohh…this is so good…!"

Looking up and seeing Mukuro standing over her, Junko's lips tugged into a mischievous smirk. Reaching up towards her unsuspecting lips, she drew a small, monochrome mustache under the Ultimate Soldier's nose.

"Great work, soldier! Well earned! Here, have some nuts as a reward!"

Though Junko's compliment was greeted with snores, Mukuro couldn't help but blush at Junko's compliment. The Ultimate Fashionista clapped her hands and hopped off the counter.

"Now, let's finish our mission and deliver this tasty treat to your hope! This late night heat is child's play! Oh, and call me Queen Junko, while you're at it."

Mukuro lethargically raised her hand in a salute. "Yes, Queen Junko…I'll deliver…sundae to…Luck Boy…"

"Don't forget Kirigiri's sundae too!" Junko reminded her.

"…But…I don'k know what…Kirigiri likes…"

Junko sighed in exasperation. "Just make her a rum raisin. She'll be surprised you made her any ice cream at all."

Mukuro sluggishly nodded, turning back to the freezer. She dug through the ice cream containers, searching for the flavor she need to make Kyoko's sundae.

Sweating from the heat, the despair twins got out of the car. "…Atsui…" Mukuro mumbled, cradling the sundae close to her breasts. She nearly tripped, however, when Junko pushed her forward from behind, just barely catching her balance.

"No complaining! Now go knock on Naegi's door."

Sluggishly nodding, Mukuro walked up to the door, Junko flanking her from behind. Shifting her grip to hold the sundae with one hand, Mukuro reached with her now free hand to press the doorbell.

*Ding Dong*

A moment of silence passed before some shuffling and bumping sounds could be heard from the other side. Eventually, the door opened, revealing a half asleep Hana rubbing her still closed eye. She let out a yawn, shaking the dreariness from her eyes.

"…Ikusaba-chan…?" Her lips tugged into a weary, yet amused smile. "Come on in, dear. The couch is already prepared for you."

Mukuro hummed as Hana patted her shoulder. Once she entered through the door, Hana went to close it. Suddenly, a red-nailed finger pushed against it, stopping it from slamming into her face. Blinking in surprise, the matriarch turned her head, finally seeing Junko's expectant state.

"Hm? Who are you, dear? I think I've seen you before, but…" Hana's eyes widened in realization. "That's right, you're Enoshima-chan, ne? What are you doing here?"

Junko shrugged. "Just looking out for my sleepwalking sister. I tried so hard to wake her up, but she's out like a light! So, I figured if I couldn't wake her up, I'd keep her safe instead. I know, I know, I'm such a good sister!"

Hana sweatdropped in suspicion. "Then why was her hair covered in melted ice cream and peanut crumbs?"

"Oh, that? I tried to stop her, but you know how Muku gets when she's sleepwalking, right?"

Hana's brow furrowed suspiciously. "Then why didn't you wash the ice cream out of her hair? Or bring her here earlier, for that matter?"

Junko huffed in annoyance. Geez, this lady asks a ton of questions. Though now I see where Naegi gets his spirit from.

She pulled out her smartphone and tapped on the screen. She then rotated it so that it was directly in Hana's line of sight. Before she could say a word, her eyes suddenly became distant, irises turning into hypnotic swirls.

Junko smirked, deviousness oozing from her grin. "Okay, so here's what's going to happen, Mrs. Naegi. You'll cease asking me so many silly questions about my greatness as a little sister to Muku."

"…Yes, Enoshima-chan."

Ooh, this is gonna be so much fun! Finally I have alive test subject for my despair video! And it's Naegi's mom, too! There's no telling what zany antics will ensue from this!