[Scene: Kavei's house
9:45 pm
August 2nd]

The gentle tap-tap of the keypad filled the room as Kavei continued to focus intently on his laptop screen, his fingers moving with purpose as he navigated through the digital labyrinth of information.

"This is the first time I ever visited your house, Kavei-kun," Ryu remarked, breaking the silence with a touch of curiosity in his voice.

Kavei's response was absent-minded, his attention still captured by the task at hand. "Go have a tour then," he replied, his eyes remaining fixed on the screen, not even sparing a glance towards Ryu.

Ryu's surprise was evident as he turned to face Kavei, a glimmer of excitement dancing in his eyes. "Oh? For reals?" he asked, seeking confirmation.

"Yes. For reals," Kavei affirmed, his voice distant as he remained engrossed in his work.

Undeterred by Kavei's lack of engagement, Ryu turned to Himeko, Sebiki, and Kai, a bright smile lighting up his face. "Let's go have a tour. Permission granted," he declared, his enthusiasm infectious.

Sebiki nodded eagerly, her excitement bubbling over as she eagerly followed Ryu's lead. The prospect of exploring Kavei's apartment unit was too enticing to resist.

"Yeah. You guys go ahead," Kai said abruptly, his voice tinged with a hint of hesitation as he waved them off with a forced smile.

Ryu glanced at Kai, puzzled by his sudden change in demeanor. "Aren't you coming?" he inquired, a note of confusion creeping into his voice.

Kai's response was hesitant, his smile strained as he struggled to find the right words. "Oh... haha... s-sure," he stammered, his unease palpable.

As his friends departed for their impromptu tour, Kai's thoughts turned inward, a sense of guilt gnawing at him. "I don't think I should tell them I have been here since yesterday, looking after Kavei and Daichi," he mused silently, his eyes flickering towards his friends' retreating figures.

Meanwhile, the four of them embarked on their tour of Kavei's apartment unit, marveling at its beauty and intricacies as they wandered through its halls like curious explorers in a museum of secrets.

[Scene: Kavei's house
August 2nd
Thirty minutes past nine ]

Excitement rippled through the room as Kavei's voice cut through the air, his proclamation drawing the attention of everyone present.

"Bingo," he declared triumphantly, his eyes alight with a newfound sense of accomplishment.

"Found it. Misa," Kavei continued, his fingers flying across the keyboard as he unearthed the vital information they had been seeking.

"Address: Naha. Some apartment complex. Uh... cherry blossoms. The phone number is also mentioned," he rattled off, his voice tinged with disappointment at the lack of substantial leads.

"Naha?" Kai questioned, his brow furrowing in thought as he glanced at the screen, processing the newfound information.

"Yeah. Quite a scratch," Kavei conceded, his disappointment evident as he leaned back in his chair, his gaze fixed on the screen before him.

As the group contemplated their next move, Himeko interjected, her voice cutting through the silence with determination.

"Listen, guys. If we take the train, then it will take at least thirty-two hours, with a ferry, that is. The only easiest way is to take Narita airport or Haneda airport," she explained, her tone practical as she assessed their options.

"Yeah, train alone, along lines of Osaka will take forty to forty-one hours, and if it is a direct train, it will still take thirty-five hours or so," Kai added, his voice echoing Himeko's sentiments.

"You're telling me that we need to board a plane?" Ryu exclaimed, his eyes widening in disbelief at the thought of such a drastic measure.

"Yeah. There is no other simpler way," Kai confirmed, his expression serious as he weighed their options.

"But how do we do that?" Ryu pressed, his voice tinged with uncertainty as he turned to Kavei for answers.

Kavei bit his lip, his mind racing as he considered their predicament. However, before he could respond, Kai interjected with a smirk, his confidence unwavering as he turned to Himeko.

"Don't worry. That can be arranged," he declared, his tone brimming with assurance.

"Let's take Haneda then. It will only take four hours. I will arrange it all," Himeko offered, her voice calm and resolute as she took charge of the situation.

"Kavei is free of permission, so no issues, yeah?" she continued, turning to address the group.

Then, with a reassuring smile, she turned to the others, her tone warm and inviting. "And as for the rest of you, my father will talk to your parents. He is good with mincing and playing with words... it's a compliment, though, okay? We can stay at my relative's there if stay comes as an issue," she explained, her words laced with kindness and understanding.

"Ah, thank you so much, Himeko," Kai chimed in, his gratitude evident as he offered her a grateful smile.

With their plans falling into place, the group began to feel a sense of excitement building within them.

[Scene
Next day
3rd August
Haneda airport, 2-3 terminal
Five in the morning]

The early morning air was crisp as Kavei, Himeko, Kai, Ryu, and Sebiki made their way through Haneda Airport's bustling terminal, their footsteps echoing against the polished floors. Excitement hummed in the air as they approached the departure gate, their anticipation palpable as they prepared to board the plane to Naha.

With their boarding passes in hand, they navigated through the maze of corridors until they reached their designated gate. The digital display overhead indicated that their flight was scheduled to depart at 5 am, prompting a sense of urgency as they quickened their pace.

As they settled into their seats on the plane, Kavei glanced out of the window, watching as the first light of dawn painted the sky in shades of pink and gold. The hum of the engines filled the cabin as the plane taxied down the runway, ready to embark on their journey to Naha.

Conversation flowed freely among the group as they buckled their seatbelts and stowed their belongings in the overhead compartments. Excitement and anticipation coursed through their veins as they exchanged anecdotes and shared their thoughts on the investigation ahead.

"We're really doing this," Himeko remarked, her voice tinged with a mixture of excitement and apprehension.

Kai nodded in agreement, a determined expression on his face as he clasped his hands together in anticipation. "Yeah, we're finally taking action. It's time to uncover the truth."

Ryu and Sebiki exchanged eager glances, their excitement evident in their wide smiles and animated gestures. "I can't wait to see what we'll find in Naha," Ryu exclaimed, his eyes shining with anticipation.

Sebiki nodded enthusiastically, her curiosity piqued by the prospect of exploring the city and unraveling the mysteries that awaited them.

As the plane taxied down the runway and lifted off into the morning sky, a sense of camaraderie filled the cabin.

With Haneda Airport fading into the distance below them, they set their sights on Naha, ready to face whatever obstacles and revelations awaited them on their journey.

[Scene
Twenty seven minutes past nine
Okinawa]

The warm breeze carried the scent of saltwater as the group disembarked from the plane at Okinawa's bustling airport. Kavei, Kai, Himeko, Ryu, and Sebiki stepped onto the tarmac, their excitement palpable as they prepared to delve into the heart of their investigation.

As they gathered their belongings and made their way through the terminal, Kai's curiosity got the best of him. "Cherry blossom apartment?" he inquired, turning to Kavei for confirmation.

Kavei nodded, a determined gleam in his eyes as he replied, "Yeah. Just catch a cab. I will tell the address."

With Kavei leading the way, they hailed a cab and settled into the backseat, the anticipation building with each passing moment. Kavei relayed the address to the driver, and soon they were weaving through the streets of Okinawa, the vibrant colors of the city passing by in a blur.

The cab ride was filled with eager chatter as the group discussed their plans for the investigation ahead. Himeko studied the map on her phone, while Kai and Ryu speculated about the possible clues they might uncover at Cherry Blossom Apartment.

Sebiki, always eager for adventure, leaned forward in her seat, her eyes scanning the passing scenery with curiosity. "I wonder what awaits us at Cherry Blossom Apartment," she mused to herself knowing well Kavei would not like her contagious excitement.

As they approached their destination, the cab slowed to a stop outside a quaint apartment complex adorned with delicate cherry blossom trees. Kavei paid the fare and the group stepped out onto the sidewalk, their hearts pounding with nervousness now.

"This is it," Kavei announced, his voice filled with determination as he led the way towards the entrance.