After a few hours of studying, Izuku and the others went outside to meet Melissa. Instead of meeting her at the shoreline, however, they waited for her outside as Melissa had told them she'd be 'landing' nearby.
"Is that a floating cube?" asked Mina, reacting to the 3x3m yellow-orange cube hovering in the air a few tens of meters above them.
"It looks like the mobile factory that Mei was working on," replied Izuku. "Melissa must have helped her finish and upgrade it. It wasn't able to fly the last time I saw it..."
With the cube's thrusters kicking up a fair amount of dust, Izuku created a wall from Blackwhip, shielding everyone as four mechanical legs unfurled from the cube's base, allowing it to land stably. Then, from a hatch at the top, Melissa poked out her head and upper body, waving excitedly as she shouted, "Hey, everyone! Sorry for arriving so late~!"
Climbing out of the cuboid vehicle, Melissa jumped from its roof, her soles producing a faint hissing sound and pushing away a small amount of dust as she landed.
Raising his brows, Izuku asked, "Did you install the AT's air compression system into your shoes...?"
"Good eye," replied Melissa, turning around to display her voluminous ass and the soles of her shoes. The latter had what looked like a series of red ball bearings, briefly reminding Izuku of a certain 'time-controlling' homo with an obsession for flames...
"I've been experimenting with alternatives to the two-wheeled model," said Melissa. "These aren't really suited to rural areas, but they allow me to jump from up to twenty meters without straining my legs or sustaining injuries~!"
Raising his brows, Izuku asked, "Are the bearings made from the same material as the Mid and Full-Gauntlets?"
Though she nodded her head, Melissa clarified, "It's similar, but not the same. The energy transfer properties of Vermilium are great for absorbing shocks and redirecting kinetic energy, but it isn't suitable for standard AT wheels and compression systems. Since ATs rely on the user's weight and kicking power to accelerate, 'negating' that power and redirecting it into the ground would just cause you to produce craters and potholes without going anywhere."
"Makes sense," replied Izuku. Then, before he could say anything more, Mina chimed in to ask, "If you're already testing alternative models, does that mean you've already completed the standard AT design?"
Thumbing toward her cube-shaped mech, Melissa replied, "The standard-use models have been completed for a while. I can make a pair for you if Momo can provide the materials. That's one of the reasons I brought over Baby #414, Friend Cube."
"I'd be happy to be of assistance," replied Momo, leading to a situation where Melissa mass-produced generic AT for everyone to try out. She had already developed an 'all-terrain' wheel type that could be used on dirt, so everyone was able to skate around at decently high speeds, so long as they avoided dense, grassy areas.
As expected, Mina had the easiest time trying out the ATs, even though Tsuyu had the highest Dexterity in the group. She had actual experience with skating and performing tricks, while Tsuyu was more accustomed to jumping around and pouncing on all-fours. With Mina's help, however, all the girls were able to get a basic grasp of accelerating, decelerating, and performing simple tricks in a very short period...
While everyone else familiarized themselves with ATs, Izuku sat off to the side with Melissa, smiling relaxedly as she prattled on about all the things she had been working on in the week or so they had been apart. He was a little surprised to learn the school had a shielding and propulsion system that allowed it to rise out of the ground like a literal floating fortress out of a fantasy novel, but, in hindsight, he should have expected as much from Nezu...
"It sounds like you've been having fun," remarked Izuku, waiting for a lull in the conversation.
Adopting a smile that brightened her surroundings noticeably, Melissa replied, "I would be lying if I said I didn't miss my father, but your mom and everyone at UA treat me well."
Seemingly recalling something, Melissa covered her mouth and exclaimed a faint "Oh!" before staring directly at Izuku, adopting a wry smile as she said, "That reminds me. Your mother asked me to tell you not to run out of the house and vanish without telling her where you're going. She seemed worried and a little...angry..."
Nodding his head, Izuku said, "I'll be sure to give her a call tonight. For now, want me to show you around? We can also install the AC unit you brought over."
"Sounds good," replied Melissa, promptly rising to her feet and extending her hand to help Izuku stand. He didn't need it, but he accepted it with a smile, allowing the buxom blonde to pull him to his feet before giving her a brief tour of Rumi's residence, introducing her to the sunbathing Ryuko in the process. The latter wasn't nearly as fond of napping as Shino, but after exhausting more than half her Vitality to help the girls train, taking a cat nap and sunbathing in the courtyard was an excellent way to recoup...
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Giving voice to Izuku's thoughts, Ryuko mused, "You're one lucky little fella, you know that~?"
As Ryuko was washing him, willfully squishing her breasts against his back as she reached around to caress the front of his body, Izuku calmly replied, "I'm well aware..." while lathering and massaging the red-faced Melissa's breasts from behind.
"I'd say Melissa's the lucky one in this instance..." remarked Mina, staring at the trio from the corner of her eyes as she washed Toru. Everyone had decided to take a bath before dinner, so they were presently taking turns washing and rinsing each other off before getting in the onsen-style bath.
Reacting to Mina's remark, Toru puffed out her cheeks and poutily replied, "I know, right? I want Izuku to wash me as well..."
"Then feel free to come over here once I'm finished with Melissa," said Izuku, his expression and voice calm despite his massive erection. "I'll wash every single one of you if you want me to..."
Interjecting before Toru could respond, Ryuko remarked, "That's a bit much. I'm all for keeping things 'fair,' but it isn't practical to try and please everyone all at once. If you say things like that, you'll have everyone here forming a queue to receive your affection. Myself included..."
Punctuating her words by licking Izuku's ear, Ryuko made it clear she was holding herself back to set a 'good example' for the rest of the girls. She was nearly twice as old as everyone present, so she had a duty to prevent things from getting 'too' out of hand.
Undermining Ryuko's efforts to moderate the situation, Izuku casually asserted, "It's something I want to do, so if they want me to wash their bodies and are willing to wait, I see no reason not to. That being said..."
Leaning closer to Melissa, Izuku kissed her shoulder before saying, "I think I've played with your boobs long enough. You should rinse off and head to the bath."
"R-Right..." replied Melissa, blushing up to her ears as she rose to her feet and made her way over to one of the detachable shower heads lining the wall. She was feeling a little dizzy since this was the first time Izuku had touched her breasts directly and the first time they were bathing together. The most they had done previously was hold hands, kiss, and cuddle, so she suddenly felt like she was on the fast track toward something 'more'...
Though he initially followed Melissa's departure with his eyes, Izuku's attention was diverted when Toru promptly plopped down in front of him. Mina had already lathered her up, but that didn't stop Izuku from giving her a 'very' thorough rub-down, wrapping things up with Ochaco as most of the other girls had enough sense to join Melissa in the bath...
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"I'm hoooooooome~!" shouted Rumi, announcing her arrival to the entire house. She usually just came inside directly, but since there were people other than Izuku present, she figured she would give him at least a brief heads-up.
Emerging from her room in a pair of cat-themed lingerie, Ryuko replied, "No need to be so loud. Izuku's waiting in your bedroom, and we saved food for you under a cloche. If you're serious about having a baby, you'll need to mind your health and nutrient intake."
Crossing her arms, Rumi pointedly replied, "I don't need to hear that from you..." before pausing for a moment and asking, "What's with your getup?"
Striking a pose that showed off her curves and the artificial cat tail she was wearing, Ryuko mused, "I'm planning to seduce Izuku once you go on your evening patrol. Don't worry; I brought plenty of birth control and condoms with me..."
Furrowing her brows slightly, Rumi briefly considered telling Ryuko to piss off. Instead, she muttered, "Whatever..." before making her way past the salacious cat girl, skipping her meal to seek out Izuku directly.
Upon entering her room, Rumi's eyes widened, her right brow rising quite a bit as she softly exclaimed, "What the fuck...?"
Though the layout of her room hadn't changed, Rumi noticed her bed was larger and that there were pylon-like space coolers, one at each corner of the room. More noticeably, thick, porous black panels covered the walls and ceiling, while ornate, canopy-style curtains hung from the roof around her bed.
Lying atop Rumi's bed with his feet crossed, a relaxed smile, and hands behind his bed, Izuku replied, "You can get pretty loud once we get going, so I installed some sound-absorbing panels and thick curtains to prevent your screams from keeping everyone awake. We also swapped out your bed and outfitted it with a powerful suspension system, so we can go all out without worrying about breaking the bed or floor..."
Narrowing her eyes, Rumi reiterated, "You're really treating this place like your own..."
"You're right," replied Izuku, patting his thigh as he added, "Just as you treat me like your own..."
Exhaling a soft chuckle, Rumi began to strip out of her Hero Costume as she replied, "Well, you're not wrong...". Then, for the better part of three hours, she gave Izuku's soundproofing and Melissa's suspension system a thorough test...
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After seeing Rumi off one final time, kissing her before she departed, Izuku made his way inside, initially intending to get some rest before encountering Ryuko standing against the threshold of her bedroom door, arms crossed as she stared at him and licked her lips in her cat-themed lingerie.
Adopting a wry smile, Izuku mused, "Well, you have worked hard today..." before making his way and allowing Ryuko to yank him by the collar into her room. There, even though she had several boxes of condoms in her luggage, she had Izuku feed her a birth control pill with a kiss before raw fucking for several hours. She loved getting creampied, so unless Izuku insisted upon wearing a condom, Ryuko was determined to have him cum inside her at least a dozen times a day for the rest of Summer Break. After all, she was singularly responsible for everyone's rapid growth. Without her Earth Beasts, they would struggle to surpass Level 40 in their entire career as Pro Heroes. Thus, Ryuko believed she deserved at least some special treatment...preferably a lot...
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(A/N: Sorry about the lack of posts yesterday. Things aren't looking too good on my end, so it's difficult to sit down at a computer for hours on end and focus on writing.)