"Notice: Starting today, you have been officially promoted from big brother to father!"
"?"
Jhin stared at the text message from Irisu Makina on his phone, a giant question mark appearing over his head. He never expected to become a father at such a young age, let alone to a daughter who was only a year younger than him.
An unmarried virgin suddenly has a daughter—what kind of nightmare scenario is this?!
Summoning Irisu Makina to the fountain in the school garden, Jhin held up his phone, displaying the message she had sent. "Makina, what is this text about?"
"I-It's exactly what it says..."
Irisu Makina couldn't bring herself to look Jhin in the eye. Her red eyes, like freshly ripened cherries, darted to the right as her body slowly turned. She pressed her crossed hands against the hem of her black skirt from behind, her slender legs, wrapped in mismatched thigh-high socks, shuffling back and forth hesitantly.
After spinning in place like a headless fly for who knows how long, Irisu Makina finally summoned her courage. Facing the warm, rising summer sun, she offered a shy smile, yet her slightly drooping eyebrows carried a hint of desolation and sadness. Her pale pink lips were pressed tightly together in nervousness. Her modest, youthful chest rose with a deep breath, and as she exhaled, she voiced her wish: "Please be Makina's daddy!"
As if worried Jhin would refuse, Irisu Makina even held out a check for the enormous sum of seventy million with trembling hands.
...
"Starting today, I am Makina's father!" Jhin announced to everyone in the dorm lobby, his arm around Irisu Makina's delicate shoulders.
"Huh? What are you talking about?" Michiru Matsushima asked, hands on her hips and head tilted in confusion.
"You say father, but it's not official, right? It's like a game, something like playing house?" Suou Amane figured Jhin was just playing along with Irisu Makina.
"I see..." Komine Sachi clapped her hands together with a look of sudden realization. "So you're doing some father play. How zealous."
"Eh? I'm serious, you know! Daddy said it too: 'Even if it means making an enemy of the world, I will protect you.'" Irisu Makina clung tightly to Jhin's right hand with her left, puffing her cheeks out like a chipmunk to convey her sincerity and make them understand this wasn't just playing house.
Jhin placed a hand on Irisu Makina's silky brown hair and stroked it gently, his tone firm. "Don't worry. This summer vacation, I will train you into a capable person in my own way!"
"Thank you, Daddy! Hug!" Irisu Makina's eyes sparkled with a smile as she hugged him tightly.
...
Jhin went up to the rooftop, where the girls' underwear of all colors, styles, and types was hanging out to dry. He needed to tell Julia about this, but the real significance of this call was probably to let a certain someone overhear.
"Hello?"
"Julia, I've become a father."
"???? I don't recall your wish for going to school being to ruin girls' lives. It hasn't even been a full semester. You didn't force her, did you?"
Even though he knew she was joking, Jhin was still a bit annoyed. Did he really look like such a thirsty beast?
"I wonder who it was that got drunk and was about to team up with Asako to assault a minor."
"Ahhhhh! Forget that ever happened!" Being plied with drinks by Asako and almost landing in jail for starting a party was the darkest chapter in Julia's life.
"Alright, let's not talk about the past. Help me keep an eye on the Irisu family's movements. The dessert will be on the table."
"...Got it. I hear the faction within the Irisu family that supports Irisu Makina has started making moves. You've become that child's father, so be careful."
"Mm."
Julia hung up on Jhin and looked at the two mousse cakes on her desk. She had already eaten one; the other sat untouched. She knew it wasn't for her, but for a certain someone still underground.
She really had no idea when Jhin had found out about it, or how he'd managed to establish contact, deceiving everyone.
"Daddy!" Like a young fawn, full of energy and surprisingly painful when she collided with you, Irisu Makina slammed the door open with a "thwack" and sent Jhin sprawling with a super headbutt.
"Oof!" Jhin felt like all the air had been knocked out of his lungs by that headbutt.
Irisu Makina pouted her moist, delicate pink lips, held Jhin's head still with her small hands so he couldn't move, and initiated a round of Western-style exchange between father and daughter.
Suou Amane, who had been chasing after her, stared at Irisu Makina, who was now sitting on Jhin's stomach, flushed and panting. Holding a plate of sandwiches, Amane knocked on the open door, reminding the two who had taken their game too far, "Am I interrupting anything?"
...
Jhin came out of Tachibana Chizuru's office. He had gone to confirm the students' plans for summer vacation. The result was that everyone except him and Makina would be returning home. This was convenient for Makina's upcoming education; with no one else at the school, he wouldn't have to hold back.
The girls were planting fruit trees on campus today. Jhin really wanted to complain—did Mihama Academy also include a university? Would Amane, a third-year high school student, actually get to eat the fruit from these trees when they matured?
He wasn't wrong. Mihama Academy really did include a university, but by the time he learned this, it would be much later.
"Daddy! Where did you go?" Irisu Makina trotted over to Jhin, balancing a sapling pot on her head.
"I had some business in Chizuru's office."
"Ahh~" One corner of Irisu Makina's mouth curled up as she said in an incredibly punchable tone, "Chizuru-Chizuru's drainpipe will get clogged if you don't clear it out often, you know."
Jhin stared at her, and three words popped into his mind.
Bratty imp!
He couldn't help but get hard... his fist, that is.
Next time, he should teach her "Zaku~ Zaku~" and "zako~ zako~". The former is Gundam, the latter means small fry—both are excellent words. Jhin felt they would sound perfect coming from Irisu Makina.
Amidst worry and reluctance, Suou Amane boarded the subway home. The entire school was finally left with just Jhin and Irisu Makina. Impatient, Jhin immediately rushed his "daughter" to his room.
He pulled out a big, black, and hard... sniper rifle for Irisu Makina. An XM-107 sniper rifle, or to put it simply, a Barrett.
"Woahhh! Daddy, is... is this real?" Irisu Makina could hardly believe her eyes.
"Of course it's real. It's something I don't use often, so it'll be perfect as part of your summer vacation training."
The jet-black metal body of the gun exuded a dangerous and lethal aura, causing Irisu Makina to subconsciously stick out her tongue to lick her lips and swallow. It was clear she was very interested in this.
"Daddy, I want it!"
"I know, I know, you greedy little rascal."
The "father" and "daughter" exchanged a look, both breaking into meaningful smiles. Jhin's bedroom was instantly filled with joyful laughter. If it weren't for the Barrett, it might have even been considered a heartwarming scene.
And so, under Irisu Makina's expectant gaze, Jhin put away the Barrett she was drooling over. Then, he had her change into a tracksuit, led her to the athletic field, and flashed a brilliant smile. "Let's start with six laps around the track every day."
"Huh?"
"Do you think you have the strength and stamina to use that gun right now? In your dreams! Start running with me. For the rest of this vacation, physical training will be your daily foundation. If you want to play with the big sniper, then you better work hard for it!"
Transforming into a demon instructor, Jhin chased after Irisu Makina, supervising her run. Fortunately, Irisu Makina's obsession with the gun turned into motivation, and she strictly followed Jhin's regimen.
The result was that the next day, Irisu Makina's entire body ached so much she couldn't even lift her hands. With a smile that seemed demonic to her, Jhin reached out to give her a massage. After a scream filled with despair, Irisu Makina lay flat on the bed with a broken expression and vacant eyes.
"Daddy... you're a sadist..."
Jhin patted her little head in exasperation. "Alright, try lifting your hand now."
Irisu Makina closed her eyes and nervously lifted her hand, then her eyes shot open in pleasant surprise. "It doesn't ache as much anymore! Daddy, you're amazing."
"Just a little technique. Get up and eat. You need to properly replenish your nutrients after training."
"Yes!"
At the mention of food, Irisu Makina perked up. Now she could enjoy meals personally cooked by Jhin all day long—a privilege no one else had. Hmph, hmph, when Amane-nee gets back, she'll definitely have to show off.
__
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