Chiaki gulped as she stared at the door to the pool area. Everybody else had already gone through, and now she was the only one left, standing still, covering herself.

Jin had been gracious in allowing her to skip some of her classes until she grew accustomed to her nudity, with swim class being one of them. But today he'd put his foot down and told her she had to attend from now on.

Meaning she'd have to swim naked in front of everyone. She'd been able to keep herself mostly covered since this program started, but this would be it; she knew there wasn't a way to go swimming without exposing herself. Showing herself in front of strangers like Tenko and the master was one thing, but she would be showing herself in front of classmates. Even if she knew it was bound to happen eventually, it still felt incredibly daunting.

On top of that, Hope's Peak occasionally did mixed classes, of which today was one, meaning it wouldn't just be her classmates, but students in the class above them, too. Her only bit of relief was that at least she wouldn't be swimming with that one upperclassman who was a very open lesbian. The Ultimate Lifeguard or something like that? Chiaki knew she would've stared without remorse if she had been in this class.

She shook her head, trying to clear away her thoughts and hesitation. Everyone was waiting for her and she'd already spent nearly a minute here. She took a deep breath. She had to do this. She could do this! She took a few more breaths to try and steady her nerves as she lowered her hands and thrust open the door.

The urge to cover up again almost immediately returned as she stepped inside. Dozens of eyes shot to her body, and loud gasps could be heard from students of both genders. She was just thankful people didn't usually bring their phones in here. There were already enough pictures of her naked ass alone to last a lifetime.

Wordlessly, she walked up to the water and sat down as quickly as possible on the edge. The teacher, who was thankfully female, cleared her throat, but it did nothing to mitigate how many stares she was getting. She was sure that if she looked, she'd see several tented trunks, so she did her best not to.

"So…since Miss Nanami has been absent from the previous classes, let us practice our basic forms today." the teacher said, trying not to glance over at the girl, unlike everyone else who was openly staring, mostly at her exposed chest. Chiaki had been able to attend a few classes before, so she knew the basics and was thankful for the teacher for not throwing her into the deep end, pun intended.

With that, the class began, and Chiaki took another deep breath, partially to calm her already-frayed nerves, and partially to take in air before she dove into the water. As her body registered the chill, she shuddered, not used to feeling it across her whole body like this. She swam through the water, doing breaststrokes, albeit amateur ones. What she didn't realize was how her bare ass bobbed up and down in the water, attracting attention, more than she was already getting.

She went from one end of the pool to the other. The pool, as big as it was, was not able to have every student go at once, so they took turns. As she climbed out though, her face burned as she could almost feel every pair of eyes shoot to her exposed ass. She only hoped they couldn't see anything more as she quickly scooted aside, and both clamped her legs tightly together while also sliding her hands between them. She breathed, in and out, in and out. She already wasn't used to physical exercise, and swimming always proved to be more intensive than she expected. She was annoyingly aware of how her breasts moved with her, and how her nipples had hardened from the chill water. She simply tried to ignore everyone looking at her, but it was hard, it always was.

Eventually, it was her group's turn again and they practiced backstrokes. Her breasts were now what went above the water, dipping above and below the surface like bobbers. Her face wouldn't stop burning.

After a few more embarrassing cycles of getting out of the pool, getting back in, swimming, and getting back out again, Chiaki felt humiliated. She was sure several of the boys would be getting off to the image of water dripping down her voluptuous chest and cheeks that night. Her only relief was that they likely didn't have an idea of what her womanhood looked like.

"Alright, we can move on to free swimming now," the teacher informed them. "Keep in mind the rules. Try not to hit anyone in any way. Items are allowed from the closet such as beach balls and the like, as long as it isn't destructive and remains in the pool. Make sure to give time to those who haven't gotten time in the pool." She listed those rules and several others, and after she'd finished her spiel, Chiaki immediately got back in the water.

She tried to enjoy herself, but it seemed like a group of boys were constantly following her, and trying to get close enough to see. They'd dive underwater to try and get a look, before she'd nearly hit them in the face, rules be damned. No threats seemed to dissuade them, especially with Teruteru at the head of the group. So much blood came out of his nose that Chiaki was surprised he hadn't passed out, though that would've been preferable.

Trying her best to ignore them if they didn't come too close, she dove under the water to hide herself as much as she could. For a while, it actually seemed to work, and she was able to swim around, mostly in peace. She practiced her technique and could've sworn that she actually was swimming a little bit faster. The idea that her nudity might've been helping her here made her feel more than a little conflicted.

Occasionally, she'd pass by a student underwater by accident and they'd go wide-eyed at seeing the nude girl's body pass by them. Some of the boys' hands even shot to their groins. The girls had a more normal reaction, though some seemed more interested than others, getting good looks at her.

Eventually, Chiaki surfaced on one end, feeling her large chest bounce above the water for a moment before smacking back against the surface. She took a few moments to breathe, feeling a lot better about her situation, at least while she was in the water. On top of that, she didn't see anyone around her. After a minute, she took a deep breath and dove back under. She began to swim, but only made it a short distance before she felt something brush her leg.

She looked back but found nothing. She tried to brush it off as something she'd imagined before she felt something grab her. She looked back again to find a student holding her leg tightly, staring hard at her thighs and ass. Chiaki's eyes went wide with alarm as a few bubbles escaped her lips. She kicked the boy away and tried to swim faster. She then saw another one on her other side, who reached up and managed to latch a hand onto her ass and give it a squeeze. Her mouth opened and bubbles exploded out as she cried. Thankfully, she kept from inhaling water as she smacked the other boy's hand so hard it hurt herself. She kept going, kicking at them any time they seemed to come closer.

Someone was approaching her side as well and was reaching out for her chest, but she smacked them away as well. She was starting to run out of breath as her lungs burned slightly, but she was worried if she surfaced, they'd catch up to her. She kept going, practically flailing as she tried to keep the boys at bay. The naked girl tried to memorize their faces to report them later, but she couldn't see or even focus well with how little breath she had left. One of the boys lunged and managed to grab her ass, much lower this time, nearly plunging his hand somewhere it shouldn't be. She gasped again, despite her lungs now burning with the desire to breathe. She looked back and kicked him directly in the face, stopping him in his tracks. She was about to celebrate her victory when she suddenly struck something hard.

And everything went dark.

Mahiru was the first to notice Chiaki's body sinking, as she'd been watching the girl swimming around. At first, she wasn't sure why she couldn't tear her eyes away as she glided seemingly effortlessly through the water, her ass beautiful and smooth underneath the surface. Then, when she noticed her being chased, she became alarmed but didn't know whether to go help or tell the teacher. She started going after them, and so she was the closest when Chiaki ran directly into the side of the pool and seemed to go limp.

Her first instinct was to alert the Ultimate Lifeguard, but when she realized that girl wasn't around, she began to shout. "CH-CHIAKI! She's knocked out! Somebody help!" She dove into the water after the girl as other swimmers nearby rushed to their aid. Mahiru wrapped her arms around her waist and pulled her. They slid straight up against her chest, and the girl's soft breasts against her arms made Mahiru gasp, but she continued pulling up. Various other students quickly swarmed and grabbed the girl's legs and body to help take her to the surface.

Eventually, they managed to get her up and onto the floor, flipping her onto her back as Mahiru climbed over her, coughing. Despite the situation, she could hear students of both genders gasping at the sight of the nude girl completely exposed. Even between her legs, which were slightly spread. Growling, Mahiru slapped them closed and leaned down over Chiaki. She knew CPR, and since she figured in this state, Mahiru was the one Chiaki would likely most want to be the one to touch her, she began compressions.

It was extremely difficult for Mahiru to not focus on how soft the girl's chest was as she pushed down on it, as well as to keep from snapping at the people around them who made noises and stared in a way they shouldn't be. The girl's chest flopped around with the movement, and when there were no immediate results, Mahiru sighed. She'd have to do it. She leaned in, plugged Chiaki's nose, and put her lips to hers. They were soft and warm as she breathed into her mouth once, pulled away, and leaned in, twice. Mahiru felt like she stayed a second longer than she needed to the second time before pulling away and resuming compressions. Panic began to set in but she did her best to push it down. Thankfully it seemed like some of the students were realizing the gravity of the situation with how concerned they suddenly got, but it didn't matter. Mahiru kept going.

She leaned in once again and pinched her nose as she breathed in. It only took one breath this time for Chiaki to suddenly spit up the water and gasp. Her eyes shot open as she sat up, panting and wheezing, before launching into a coughing fit. The students who'd been concerned breathed a sigh of relief as Mahiru hugged Chiaki. Feeling dazed, Chiaki instinctively hugged her back, and the teacher patted Mahiru on the back.

"That was some fast reaction time and excellent CPR Miss Koizumi." she said, "I'll be sure to let the headmaster know about this." Once again, Mahiru didn't care, as long as Chiaki was okay.

That was all that mattered.

Chiaki glanced around to see that everyone was staring at her now, and she quickly looked down at her legs. They were still closed, which gave her some relief, but it didn't stop some of the other students from trying to look. She clamped them even tighter together as she got up with help from Mahiru.

"You can go and rest a bit, Miss Nanami. Class is almost over, anyway." The teacher said, and Chiaki nodded as she and Mahiru made their way to the locker room, where the teacher then made everyone get back to it. Once inside the locker room, Chiaki and Mahiru sat down, and Chiaki let out a breath.

"Jeez…" Mahiru said. "Don't scare me like that, okay?" Before she knew it, Chiaki was hugging her again.

"Thank you, Mahiru." she said. Mahiru suddenly felt very faint as she felt the girl's massive chest squish against her side, practically trapping her arm between the mounds. Her face burned bright.

"A-ahhh! I-I-It was nothing!" Mahiru stammered out, wondering why her heart was racing so hard. "I…just uh…"

"Saved me," Chiaki said as she mercifully pulled away, and Mahiru let out a shaky breath. "Thank you…so much. You're a really good friend." For some reason, the last word hit Mahiru in a way that felt…wrong.

"R-right." she said, "Of course." Chiaki gave her a warm smile, and Mahiru returned it, regardless of the sudden ache in her heart. Mahiru got up and went to her locker to get changed, thankful it was out of sight of Chiaki as she tried to calm herself down again and ignore whatever was going on inside her.

Not long after, the bell rang, and the two walked back out into the hall before everyone else. Mahiru was shocked to see Chiaki was no longer covering herself…at least at first. She could see the girl was absolutely trembling. The whispers grew louder than usual as even more pictures and videos were taken.

"Um…Chiaki?" Mahiru tentatively asked. Chiaki shook her head, puffing her cheeks as they walked. The effort it took was clearly immense, but while she'd been able to maintain it at first, it quickly became overwhelming and Chiaki cried out as she rushed to cover herself once more. Mahiru breathed out, unaware she'd been holding her breath.

"It's so hard…" Chiaki said softly.

"I'm sure." Mahiru agreed as she fidgeted. Perhaps she could say what had been on her mind lately. She didn't know if it was feasible, but… "H-hey…Chiaki?"

"Yeah?"

"What if…if Jin allows it…I go…n-naked with you?"

Immediately, Chiaki stopped and moved in front of her. "No."

"H-huh? But…"

"Mahiru, you don't need to do this with me," Chiaki said, her brow furrowed and her face more serious than Mahiru had ever seen. "Don't subject yourself to this if you don't need to, okay?"

"But wouldn't it make it easier for you to-"

"Maybe it would, but it's not worth you having to go through this, too," Chiaki said. She sighed. "Please."

"I…" Mahiru didn't want to lie and say she wouldn't, so she simply sighed as well. "Nevermind." She could tell Chiaki wasn't really satisfied with this answer, but she thankfully turned and kept walking, leaving Mahiru to find herself staring absentmindedly at the girl's immaculate ass before she too kept walking.

Though she kept thinking about it the entire time.

And how she'd report those students who chased her.