Konoha 33, February.

This year's winter was colder than usual, with snowflakes falling from above, and even the sky was dyed pale.

Cold winds rage in every corner of Konoha Village, and in this cold season, most people choose to spend this cold winter at home around the fire unless something particularly important.

However, for ninja school students, it is still necessary to go to school as usual.

In Class A of the fourth grade, Ruri wore a black long-sleeved shirt and trousers, a white scarf around her neck, her long black hair flowed down to her waist like satin, and she supported her chin with her palms, and enjoyed the snow outside through the transparent glass.

The playground is already covered in snow, and in this season, I really want to spend the whole day at home without coming to school.

Suddenly, there was a commotion outside.

Even the silence in the class was broken, Ruri frowned impatiently, these guys were still buzzing like flies as always.

"Think it's noisy?"

Shiraishi came back with a convenience bag containing hot milk tea and hamburger meat.

Of course, it's with glazed money.

"Of course. However, they can only be happy in school. ”

Liuli took out her own hot milk tea from the convenience bag, as well as a hamburger meat.

"Ayane, do you want to eat? I bought an extra copy here. ”

Shiraishi turned his head to look at Ayane on the other side.

"No thanks."

Ayane smiled apologetically, got up from her seat, and walked out of the classroom.

Shiraishi looked at Ayane's distant back, sighed and said, "I always feel that she is more unsociable than Ruri, and you can still play together before." ”

There was a dangerous glint in Liuli's eyes, and she looked at the convenience bag in Bai Shi's hand and asked, "When did I allow you to take my money and invite unrelated people to eat?" ”

"Uh...... That, no, I think they're all classmates at the same table, that, this ......."

"Are you going to go hungry tonight and tomorrow morning? Who do you think is raising you right now? ”

“…… Got it. ”

"Just report to me in advance next time. I hate it when people don't say hello and take my stuff on their own. ”

"Is this the kind of thing you cared about? Understood, I'll say hello early next time. ”

Shiraishi sighed again, sat down in his place, picked up the milk tea and drank it, and then took another bite of the hot hamburger meat.

"By the way, what was so noisy outside just now?"

Ruri asked Shiraishi while drinking milk tea.

"Don't you know? Some people in the fourth year want to graduate early, and today is the day of special recruitment. I heard that there are three people in our class who want to graduate two years early, and by the way, Bo Feng Shuimen in the next class is also one of them. ”

Shiraishi told the truth what he knew.

"That yellow-haired sissy, I heard you say he's the first in Class B."

"Even if you are the first in Class B, it is impossible for you to be the opponent of the first in Class A."

Shiraishi was full of confidence in Ruri's strength and said with a smile.

"I don't underestimate anyone."

Even so, Shiraishi's flattering words made her very useful.

Soon the class started, and the head teacher, Taiga Fujimura, came in from outside the classroom and began the official class.

The indoor subjects in the fourth grade are more complex than those in the first to third grades, and there are many things to learn in the fourth grade, which may be of great help to ordinary civilian students, but for people like Shiraishi, who have long been able to graduate on their own, whether it is indoor or outdoor classes, it is meaningless.

Therefore, in addition to the lesson about the Will of Fire, Shiraishi and Ruri do what they want to do.

With a pen and ruler in hand, Shiraishi began to draw in the notebook in front of him, annotating words and formulas alongside.

This is an important experiment to be carried out in the evening, where theoretical derivation is carried out and then acted on in practice.

More than three months have passed since the study of natural energy.

In the past three months, Shiraishi has been able to successfully channel natural energy, but the natural energy that has been channeled is not particularly stable.

And even if the natural energy is successfully channeled, if there is no corresponding means, the natural energy will soon spill and volatilize, become untouchable air, and return to the natural world.

Therefore, in the next experiment, Shiraishi wanted to extend the time for natural energy to appear as an entity, so that he had enough time to understand natural energy and use it successfully.

Time passed quietly.

◎

Early March.

There was still occasional light snow falling from the sky, and the weather was slightly warmer, but still very cold.

On this cold day, an incident happened, which was unexpected by everyone, and also broke the peace and tranquility of Konoha Village.

- The Sand Hidden Ninja plundered the border of the Fire Country, causing heavy losses to the Konoha troops on the border of the Fire Country, and officially declared war on Konoha.

Just over a year after the War in the Land of Rain, the flames of war have once again burned on the Land of Fire.

And the target of the declaration of war is the Sand Hidden Village, which is also one of the five major ninja villages.

Led by the three generations of Kazekage himself, he led a large number of Sand Hidden Ninjas to provoke a war against Konoha.

Konoha Village is surrounded by a tense and heavy atmosphere that is visible to the naked eye.

The war in the Land of Rain had just ended in October of the previous year, but after half a year, the war had swept again.

And this time it was the Sand Hidden Ninja whose comprehensive strength was far above the ninjas of Yuyin Village.

The ninja group, which is the same five major countries as Konoha, their mobilization speed, as well as the quality of ninjas, are not comparable to the rain hidden ninjas.

The rise and fall of the Rain Hidden Ninja rests on its leader, Hanzo.

Sand Hidden is different, its leader is one of the five shadows of the world, the third generation of wind shadows, known as the strongest wind shadow in the past.

There are many talents under his command, and he is assisted by the advisor elder Chiyo sisters and brothers, all of whom are powerful ninjas in the world.

Moreover, Sha Yin also set up an extraordinary puppet agency force, which made the major ninja villages suffer a lot in the past wars.

This time the sand is menacing, and it is by no means an easy battle to be defeated.

It was as if the War of the Land of Rain was just an opening ceremony for Konoha to officially intervene in the Second Shinobi War, and the real war had just begun now.

This sense of oppression that the mountain rain is about to come and the wind is full of buildings, and all the Konoha ninjas are pressed on their heads, and the Konoha high-level leaders, led by the three generations of Hokage, held an emergency meeting.

On the night after the meeting, a large number of Konoha ninjas left the village and headed towards the border of the Fire Nation to help.

The major ninja clans also sent their elite ninjas to fight the sand hidden ninjas.

War is on the verge of breaking out.