After the girls left the room, only Ayanokoji Kiyotaka, Ibuki Jotaro, and two Dealers remained in the casino.
"To confirm your scores in real-time and prevent any tricks while you're rolling the dice, this game will be supervised by us two Dealers."
Yamato Inaho looked at Yomotsuki Runa: "I'll be in charge of Ibuki, and you'll be in charge of Ayanokoji, is that alright?"
"Sure," Yomotsuki Runa said with a smile, jumping down from the bar counter, holding two bags of snacks.
She dragged a chair over and sat beside Ayanokoji Kiyotaka, tearing open a snack bag and complaining, "Ayanokoji, the snacks you prepared this time taste different from the ones you gave me before. I feel like the texture isn't as good as what you bought me previously."
"Then why are you still eating them?" Ayanokoji glanced at her.
Although Yomotsuki Runa was picky with her words, she continuously fed the snacks into her mouth.
"It's just for entertainment, why wouldn't I eat something free?" She argued, "You should have reverence for food. You shouldn't not understand this principle, right? You know, food contains the intentions of its creators!"
Yomotsuki Runa, on the contrary, even started lecturing Ayanokoji with a smug look.
"If it's food personally made by a chef, fine, but these snacks are factory assembly line products. Do you want to have reverence for machines?" Ayanokoji retorted.
Yomotsuki Runa was speechless from the rebuttal and began to act shamelessly with an unpleasant expression: "Noisy! Do you believe I'll get back at you later!?"
"Hey, you previously claimed that you were an absolutely fair Dealer..."
Ayanokoji's words trailed off. Seeing Yomotsuki Runa's threatening gaze, he closed his mouth and shrugged helplessly: "Alright, I didn't say anything..."
Runa lightly hummed as if victorious, continuing to eat her snacks, and instructed the other Dealer next to her, who was wearing a dog hoodie: "Inaho, you continue."
Yomotsuki Runa handed over the main authority of the scene to Yamato Inaho, completely acting like a hands-off manager.
"In the game of [Extreme Dice], it's best for two gamblers to roll the dice simultaneously at the same table, but if a covering screen cannot be found, then they can only play at separate tables..."
Yamato Inaho said, looking around.
If the two parties in the gamble sit separately and cannot see each other's actions and expressions, even if the Dealers consider themselves fair and will truthfully record the gamblers' content, it may not necessarily convince both parties. She still hoped to find a suitable covering.
"I have props, let me do it."
Ibuki Jotaro said, squatting down and taking out several long, strip-shaped parts from his backpack. After simple assembly, he put together a simple bamboo sword stand.
Yamato Inaho's eyes lit up. She took off her orange dog hoodie and draped it over the sword stand, perfectly forming a barrier that blocked both their lines of sight. When both parties sat at the gambling table, they could only see each other from the chest up.
Yamato Inaho nodded with satisfaction. This was perfect!
Seeing Ayanokoji's curious gaze, Ibuki Jotaro said blandly, "This is something I got from the Kendo Club. If you beat me, not only this sword stand, but all the weapons and equipment of the Kendo Club will be yours."
"You're giving all these things to me?" Ayanokoji was startled.
"These were originally Kendo Club's things. We just rented them. Otherwise, the Kendo Club's rent wouldn't be one million yen a month."
One million a month, calculated over three years, excluding winter and summer breaks, this Kendo Club contract is worth thirty million.
"So, by this calculation, you still lost money?"
Ibuki Jotaro shook his head calmly: "It's fine, these are things I forced upon you. Spot goods should be discounted anyway."
On the point of "stakes," Ibuki Jotaro didn't want to take any advantage of Ayanokoji.
"Since the 'stage' is ready, next, we need to choose the most important props."
Yamato Inaho pulled out a brocade box from somewhere. She opened the box, revealing six dice inside. These dice varied in size and seemed to be made of different materials.
"To maintain fairness, you need to use the dice provided by our Election Committee. Please choose one from them."
Ayanokoji asked, "Are all your dice the same?"
Yamato Inaho explained with a smile: "Please rest assured, the differences between these dice will not affect the outcome; they will only affect the feel. You can freely choose the dice you wish to use."
She paused, emphasizing: "However, touching the dice is prohibited when choosing them, as it's hard to guarantee that no one will tamper with them."
Ayanokoji glanced at Captain Dragonfly. It did not issue a warning, indicating that these dice should be fine and are all ordinary dice.
After observing, Ibuki Jotaro chose the largest die, and Ayanokoji Kiyotaka followed suit, choosing a medium-sized die.
In this game, the most crucial point is not to roll a 6.
In terms of mathematics, it means calculating the independent probability of each dice roll—the probability of getting any number other than 6 in each roll is 5/6, so the probability of getting other numbers in 'n' rolls is (5/6) to the power of 'n'.
Conversely, the probability of getting at least one 6 in 'n' rolls is 1 - (5/6) to the power of 'n'.
The chance of rolling a 6 on the first throw is one-sixth, which is 16.7%. The chance of rolling a 6 on the second throw is 30.6%. The chance of rolling a 6 on the third throw is 42.1%... The more times you roll, the greater the chance of rolling a 6.
By the fourth roll of the dice, the chance of rolling a 6 exceeds 50%.
In other words, from the fourth throw onwards, one must constantly worry whether this throw will result in a 6, rendering all previous scores useless.
One must begin to consider whether to stop throwing now.
However, this is only from a purely probabilistic perspective. In reality, there is a lot of room for manipulation during the throw.
Ayanokoji Kiyotaka tossed the dice in his hand a few times, feeling the dice, and suddenly asked, "During the game, we roll the dice ourselves, right? Would using some special throwing techniques count as cheating?"
Ayanokoji knows many dice-throwing techniques, such as making the dice spin when throwing them out.
A die has six faces and eight corners. When it spins, it mainly spins on one corner, and next to this corner are three faces. In this way, one can roughly select the range of desired pips.
However, these techniques cannot 100% guarantee that you will roll the desired pips; they only increase the probability. If you truly want to "hit where you aim," you must use loaded dice.
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