A/N: For ease of reading, the current girl in focus for each chapter will be put in parentheses, so you can try and find your favorite character's Senpai antics! Every chapter pretty much includes some kind of Naoto x Nagatoro in it either way.

Life's Like That, Senpai!

Chapter One

Take Responsibility, Naoto! (Hana Sunomiya I)

Naoto couldn't believe how light he felt when he stepped onto school grounds hand-in-hand with the girl he had fallen for. Any trepidation at such a public display was simply just.. Gone. Even as eyes fell upon them and whispers could even be heard around them, there was nothing that could–

"I never knew Hachiouji was into underclassmen."

"I didn't even think he was into girls at this point–"

He staggered a bit in his step, feeling his nervousness grow. Alright, some of it was getting to him in the end, but all it took was a squeeze of his hand by Nagatoro to help him forget.

Looking over at the tanned girl beside him, she grinned up at him, a smile that once held only terrible intentions now made him feel incredibly warm inside.

"You're gonna be suuuper popular now, Senpai," Nagatoro teased, "I'll have to fight even harder to keep the scavengers at bay!"

As if to emphasize her words, Nagatoro started to punch at the air with her other hand, taking on a very serious expression. This made a few girls nearby panic and scatter, and Naoto chuckled nervously, waving apologetically after them.

"I-It's not like that," he retorted.

"You have no say in it. Life's just like that, Senpai!"

Grinning, Nagatoro moved in front of him, turned to face him, and leaned up on her tip-toes, making him blush as her face was so close to his.

"This is my stop," the girl said in a devious tone, puckering her lips a bit. "Wish me luck, boyfriend Senpai."

Naoto panicked a bit, his eyes darting side to side as a few people walked by, unable to hide their curiosity at the scene. The two had never kissed yet, and according to Nagatoro, they should wait for the perfect moment that just felt right.

This definitely isn't it! He thought urgently, but knew that he had to do something!

"Yo, Paisen!"

The familiar voice of Gamo came from behind before a strong hand smacked his shoulder, making him take a step forward. Not wanting to bowl Nagatoro over, his arms went around her stomach gently, pulling her closer as his lips moved towards her. Thankfully, or not he wasn't quite sure, he kissed Nagatoro's cheek, the girl going wide-eyed from the sudden gesture.

"Whoa, I didn't see you there in front of him Hayachi," Gamo said with a laugh as she walked around them, raising an eyebrow. When Nagatoro turned her head and gave her an evil stare, the redhead gulped. "S-Sorry?!"

Naoto waved his hand as he watched the two girls head into their class after that, Nagatoro holding the larger girl in a headlock and berating her. He chuckled and rubbed the back of his head.

Well… At least it was something.

Unbeknownst to Naoto, someone was watching him this entire time. The girl shook her head and began furiously texting someone, who in return gave her a thumbs up emoji and words of encouragement.

Later that day, Naoto peeked at his phone to see that Sunomiya, the previous club President's sister, wanted to meet him as soon as classes were over in the art room. Confused by the urgency, he told Nagatoro to wait for him to walk home together before sliding the door open and stepping inside the room.

"Su—"

Suddenly, the door slammed shut behind him, and Naoto jumped, turning to see that the girl had been hiding beside it.

"Senpai… I see you are enjoying yourself," the stoic girl stated, though there was a bit of an edge to her voice that was uncommon.

Blushing a bit, Naoto shrugged nonchalantly, figuring he knew exactly what she was talking about.

"Ah… You heard? Yeah…" He couldn't help but smile, turning away to hide his embarrassment. "I-I wanted to thank you for helping to spur me on, Su–"

He was interrupted again when the purple-haired girl moved right in front of him, making him gasp audibly as her larger breasts pressed against his chest. She looked up at him with a serious expression as he froze in place.

"We're friends, aren't we? You should be calling me Hana," she insisted.

"I-I… I don't…" Naoto, flustered, took a step back, only for the insistent girl to push forward even more. "I-If so, then shouldn't you call me by my first name too?" He offered a nervous smile, trying to stay confident. "Um… Are you okay?"

Blinking, he watched in surprise as the usually stoic girl suddenly went red in the face. Pulling back, her chest bouncing with exaggerated force, she turned away and put hands over her cheeks, shaking her head.

"This is… Such a problem, sister," she muttered to herself.

Confused, Naoto looked around as if the former President might pop out of a closet somewhere as she tended to, but nothing came.

"Su… Er… Hana?"

The girl jumped a bit at hearing her name. Naoto sighed and approached, setting a gentle hand on her shoulder, trying to channel that confidence that Nagatoro gave him to help out his friend.

"What's wrong?"

"I… love… Naoto–"

"I love Naoto"

"I love Naoto"

"I love Naoto"

"I love–"

Those words echoed through Naoto's mind as he froze up, his body slowly falling to a cold sweat as he processed what was being said.

"Huh…?"

Sunomiya turned around and suddenly smacked his forehead with a hand. It didn't hurt, but he let out a yelp of surprise and stumbled back a bit, as the girl began to pop off loudly just like she would when he did something dumb in his pursuit of Nagatoro.

"You won't ever look at me more than anything but an underclassman, an understudy, even though I'm a woman just as much as my sister, as much as that scrawny girl. Look! Look!"

In a move that Naoto was quite familiar with, the girl ripped open her uniform shirt in an instant, showing off her chest to him. He held up a hand to block his sight, unable to stop himself from peeking with a single eye through his fingers, seeing… Seeing…

N-No bra?!

Naoto almost passed out as he saw Sunomiya's bare chest before him. They were large, soft, and perfectly shaped just like her older sister. Despite seeing the former club President's chest prior due to her extreme nature, he'd never expected to see the same from the girl before him. Despite how eccentric she could be when it came to showing skin, she'd never gone this far.

"H-H-Hana–!"

Sounding pathetic like he usually did, Naoto was about ready to bolt. After all, this was about the time that Nagatoro would walk in, leading to a huge misunderstanding and–

Bzz! Bzz!

His phone buzzing, Naoto turned away from the girl flashing him and took out his phone to rapidly read Nagatoro's message, afraid she was on her way now.

I've gotta get out of this, I—

"Senpai! I'm helping Orihara a bit, so take your time!"

The message was followed by a kawaii cat kissing emoji, which made his heart flutter a bit more than her usually ones did– That is, until he felt two large, soft objects press into his back, the arms of Sunomiya wrapping around him from behind.

Dropping his phone in sheer surprise, it clattered to the floor and he looked down to see the soft hands of Sunomiya gently moving along his chest.

"Naoto-senpai… I have a request that is unprofessional and unruly, but I have to ask it," she whispered behind him.

Gulping, Naoto responded with a small, "Y-Yes…?"

He felt her lean up into his ear, her gentle breath blowing over it as she spoke.

"Can I be your girlfriend, just for a few minutes?"

Stunned, Naoto's open phone on the floor displayed the message he'd gotten from Nagatoro. He stared at it as Sunomiya took a step away from him, folding her arms over her chest and looking away with a blush.

But… why?

Reluctantly looking over his shoulder, Naoto was shocked to see Sunomiya acting in such a way. She was truly a cute girl, just like any other, except she held an air of responsibility about her as well that made her look.. Cool. The sight reminded Naoto of how Nagatoro had looked before he confessed to her– eyes so full of fear, lip quivering, body language showing them folding internally into themselves.

I have a girlfriend, Naoto thought to himself. I have to stop this, right? I can't let this sort of stuff happen anymore.

This wasn't normal though, and he knew it. Sunomiya genuinely liked him. Would things be different if she'd told him before he confessed to Nagatoro? It was easy to say yes, but staring at her now, he wasn't exactly sure.

I can't be a coward! I-I'm a man!

Steeling himself, Naoto walked forward and extended his shaky arms to wrap them around the girl, pulling her face to his chest. Her violet eyes widened as his hand gently pet the back of her head, and he did his damndest to ignore her breasts against him.

"I love Nagatoro," he said softly. "But… I-I cherish our friendship, so… I can comfort you, for a little bit at least."

Letting up his hug a bit, Sunomiya leaned back to gaze up at Naoto, who did his best to hold her gaze and offer a smile. A smile so nervous that it looked a little goofy, yet he was trying so hard for her– This was precisely why she'd fallen for him.

"I love you," she said softly, smiling as she managed to say it to his face.

Naoto felt like he wanted to cry. His thoughts of Nagatoro were wavering at the wonderful sight of such a cute girl putting it all out there that she felt strongly about him.

Tomorrow it'll all be normal again, none of this will matter. Ah… What if she can smell Sunomiya on me?! Nagatoro can be a vicious predator like that!

While he thought rapidly about everything, his phone buzzed again. Naoto was on it in a moment, diving and grabbing it, staring at his messages with Nagatoro. However, there wasn't one– In fact, it was from someone else, someone unexpected.

"Take good care of my sister."

As if sensing her presence now, Naoto turned his head straight towards one of the closets holding art supplies in the room. The small crack in the door slowly closed in reaction to his look, and he dreaded the revelation.

President…!

After managing to escape the Sunomiya sisters tag team attempt at wooing him, and aptly avoiding Nagatoro's wrath, Naoto held his girlfriend's hand as they walked home together, pushing all thoughts of the strange happenings from his mind.

"You've been awfully thoughtful lately Senpai. Thinking about when you'll kiss me?"

Nagatoro beamed up at him, leaning her head against his arm. Naoto pushed up on his glasses and chuckled, nodding.

"Y-Yeah, actually. That's it."

It was a lie, but not a complete lie. After all, he did want to break that barrier down and kiss Nagatoro. Yet, at the same time, when he imagined doing so… Why was Hana also kissing him?!

A phone buzz made Naoto jump. Nagatoro gave him an odd look as she took out her phone and began tapping on it. After a moment, she gasped.

"W-What is it?"

Naoto's heart beat rapidly as he wondered if he was going to be blackmailed or something, but Nagatoro looked more fearful than angry.

"M-My sister… She wants to see you again, now that we're dating," she said darkly.

"Eh?! B-But… How did she… Did you–"

"I never said anything!" She smacked his arm a few times in panic, before latching onto it and burying her face into his chest. "Senpai, they might actually eat you, like.. Like land sharks!"

Rubbing his arm that hurt a little bit, Naoto thought about the overwhelming Nagatoro siblings. They had been a good help at boosting his confidence, but they'd probably also want to kick his ass if he showed any sign of weakness.

"I-It'll be fine," he said, putting a hand on Nagatoro's head and petting it softly. The girl looked up at him cutely, and he offered as confident as a smile as he could give. "Should we go now, Hayase?"

A blush crossed Nagatoro's face, before she reached up with a hand to pinch his cheek, making him yelp.

"Creepy~"

"I-I thought it was cool!"

"It was, that's why it was creepy on you!" Nagatoro laughed and threw her arms around his neck, pulling herself up to kiss his cheek as he laughed in return.

The two lovebirds continued on towards the Nagatoro household, both anxious, but hopefully that things would be fine like they always were.

…Well, they were both right and wrong.

To Be Continued

Next Chapter: It's Just Sister Stuff, Naoto! (Misaki Nagatoro I)