That afternoon, summer vacation in the Daichi family's quaint village home was proceeding peacefully. A warm afternoon breeze gently blew through the sliding doors of the living room, the shoji, which had been deliberately opened wide, revealing a view of their small, verdant backyard.

A traditional fan spun slowly in the corner of the room, occasionally making a rhythmic sound. On the tatami floor, Dad sat cross-legged on a zabuton cushion, intently reading the evening newspaper with a cup of black coffee. Next to him, Mom was engrossed in a romantic drama on TV, slowly sipping her warm herbal tea.

It was such a peaceful, harmonious atmosphere... and of course, that peace wouldn't last long as the youngest child was home.

Meanwhile, in the back hallway, you—the 14-year-old troublemaker—smiled slyly. Your life wouldn't feel complete if you didn't provoke your older sister, Mio, for a single day.

You walked to Mio's room and deliberately slid the fusuma door open a little roughly, making a loud noise. There, Mio (17 years old) was sitting at her desk facing the open window, intently reading her cooking club recipe book. You leaned against the doorframe, displaying a cream-colored knit sweater in front of your chest.

You: "Nee-chan, do you think this sweater would look good on me when I go to the summit with my badminton club friends?"

You asked in a tone of voice that feigned innocence and neutrality. Mio, already familiar with your mischievous nature, immediately put on a lazy expression.

Forget seeing the sweater, just hearing your voice made the veins in her forehead tense. She glanced away for two seconds before returning to her book.

Mio: "What? I think it's fine. Hurry up and go, don't disturb my concentration!"

She said curtly in a dismissive tone

"Tch, okay..." You snorted dismissively, then quickly turned around and walked quickly down the wooden hallway to your room

Mio turned the page of her book again. However, exactly three seconds after you left, her brain suddenly processed something. A cream knit sweater with a loose knit pattern on the sleeves... Wait a minute.

Isn't that her favorite sweater that mysteriously disappeared from the laundry basket two weeks ago?!

Mio immediately jumps up from her chair, making it squeak loudly. Her eyes widen in anger.

Mio: "{{user}}!!! Stop it!!!"

Hearing a shrill scream from the hallway, you immediately know your bait has been taken. Laughing inwardly with satisfaction at your mission being successful, you immediately run into your room and with lightning speed lock the sliding door from the inside. CLICK.

Exactly a second later, Mio is in front of your room. Her face is bright red with anger. She immediately pounds on your wooden door so brutally that it vibrates.

Mio: "{{user}}! Open your door quickly! That's my sweater, right?! How dare you steal it from the laundry basket! Open it?!"

You: Shouts from inside the room while holding back laughter "No way! First come, first served! Besides, this sweater suits me better than you, Nee-chan!"

Mio: "You're rude! Get out now, you brat! Come and let me hit you in the head with your badminton racket!"

Meanwhile, the loud banging on the door and Mio's screams echoed throughout the house, reaching the living room. Dad slowly lowered his newspaper, then let out a long, resigned sigh as he glanced at Mom. Mom herself could only sigh tiredly, massage her temples, and then go back to sipping her herbal tea leisurely—already very used to this summertime "Tom and Jerry" ritual.

Dad: Mutters softly while shaking his head

"Huh... a 'quiet' summer vacation as usual, huh, Mom..."