Chapter 10: Hikigaya’s Path to Becoming a Beast

After dinner, Hikigaya decided to stop overthinking things and focus on a singular goal—getting stronger.

Yesterday's memory of struggling to lift Yukinoshita's body filled him with shame. His current physique was nothing short of pathetic, and he knew it.

Determined to make a change, he turned to the internet for guidance. After some searching, he settled on a simple regimen: squats, push-ups, and running.

• Squats to strengthen the pelvic muscles.

• Push-ups to build upper body and back strength.

• Running to improve stamina.

In other words, a complete overhaul of the male body—upper body, lower body, and endurance.

"I, Hikigaya Hachiman, refuse to lose!"

He clenched his fist with resolve.

"Yukinoshita, the next time... it'll be your end!"

Muttering to himself, Hachiman got into position. He placed his hands behind his head, took a deep breath, and began squatting.

---

Just as Hachiman was immersed in his workout, Komachi emerged from the bathroom. Her damp hair clung to her shoulders as she casually dried it with a towel.

"Hey, onii-chan, earlier I saw Yui-senpai's new photo, and she—huh?!"

Her words came to an abrupt halt when she noticed her brother doing squats in the living room.

For a moment, Komachi froze, then rubbed her eyes, as if trying to make sense of an apocalyptic vision.

"What's with that look on your face?" Hachiman asked nonchalantly, glancing at his towel-clad sister.

No surprises there—Komachi was as cute as always.

But seriously…

How many times have I told her to dress properly after a bath?! At least have some sense of caution around your brother!

"Ughhh! What am I seeing?! My lazy, good-for-nothing, game-addicted idiot of a brother is… exercising?! Mom, Dad! Our hopeless son is finally becoming a normal person, thanks to my relentless efforts!"

"Hey, hey, hey! Don't paint me as some kind of total loser!"

And that teary-eyed look of pride on her face? Utterly annoying!

---

Meanwhile, across town, Yukinoshita Yukino soaked in her bathtub, her eyes closed as she tried to relax. She wanted nothing more than to let go of her worries and unwind.

But just then, a voice echoed in her mind.

[Ding! Hikigaya Hachiman has begun his first workout session...]

[Ding! Hikigaya has completed 50 squats. Stamina +1.]

"Huh?" Yukino's eyes snapped open. "Stamina increase? System, what's going on?"

[Stamina broadly refers to overall physical fitness, such as endurance, strength, and speed. However, within this system, it primarily measures sexual performance.]

"??"

The system's explanation left her momentarily speechless. The first part sounded reasonable, but the second part was downright indecent!

"...Hikigaya's stamina increased? What's his current level?" Yukino asked, her curiosity piqued despite herself.

[Hikigaya Hachiman's current stamina: 43/100 (below average).]

"Hah, only 43? Figures. What a small fry," Yukino said, a smug smile spreading across her face.

But wait—why was she happy about this?

Shouldn't she be worried if her boyfriend was lacking in that department?

Still…

"No, no, I can't help it—I want to laugh! I'd love to tease Hachiman about this!"

Her eyes sparkled mischievously as she imagined his flustered reaction.

"What about me?" she suddenly asked.

The system's response was brutal.

[Yukinoshita Yukino's current stamina: 6/100 (extremely weak).]

"..." Yukino's lips twitched. "How is that possible? Only 6?!"

[The score is calculated based on your overall physical condition. It's accurate.]

"Lies! I made Hachiman beg for mercy last time!" Yukino protested, indignant.

[If not for the enhancement potion you used, Hikigaya Hachiman could've easily overpowered you within half an hour.]

"???" Yukino was dumbfounded. "That potion was that effective?"

[The enhancement potion temporarily increased your stamina by 80 points.]

"Eighty?! No wonder..." Yukino sighed, the realization dawning on her. Without the potion, she was nothing more than a weakling.

But why was Hachiman working out all of a sudden? He was fine as he was—why push himself so hard?

[It's because of your previous 'merciless' actions. They've ignited Hikigaya Hachiman's determination to become stronger—a true powerhouse.]

"A… powerhouse?" Yukino shivered at the thought.

Her body instinctively tensed, her legs pressing together under the water.

Terrifying! Was she destined to call Hachiman 'Daddy' in the future?!

"No way! I have to stop this!"

[Incorrect. You should fully support Hikigaya's training.]

"Oh, I see where this is going. I'll just use the potion again!" Yukino's eyes lit up.

She had forgotten—she now had the system on her side.

[That's not what I meant. Hikigaya Hachiman will eventually need excellent stamina to handle multiple partners.]

"???"

Yukino's face darkened. "That's my boyfriend! I won't let him sleep with anyone else!"

[Hikigaya can earn substantial system points by being with other women.]

"Still no!" Yukino snapped, her voice resolute.

"Three years is plenty of time. I can earn the points slowly. There's no need for Hachiman to be with anyone else!"

Her resolve hardened. Hachiman was her man, and he would stay that way—forever.

---

[Ding! Hikigaya has completed 30 push-ups. Stamina +1.]

[Hikigaya's current stamina: 44/100.]

"Still at it?!" Yukino groaned.

This was bad. Even with the system, she felt an inexplicable sense of unease.

As she sighed, the system chimed again.

[Ding! Hikigaya Hachiman has engaged in close interaction with potential target Komachi Hikigaya. System points +50.]

"???"

Yukino froze. "Fifty points?! With Komachi?!"

Wasn't Komachi his biological sister?!

Her jaw dropped. This absurd system even involved Hachiman's sister?!

But shock aside, what exactly had those two done to earn fifty points? That was five times more than what Yui could manage!

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