Matsuura Yasuo was a little hesitant, because this black hole gave people a very bad feeling, and he didn't really want to go in.

"Juncao, I think we can blow up this tunnel with a grenade."

Yasuo Matsuura didn't want to go in, so he thought of a solution.

"Yaga, the Nagai Brigade was like this before, and it ended up with heavy losses. Yours, let me in at once, or don't force me to kill you coward. Jun Cao pulled out the katana in his hand and cursed, urging Matsuura Yasuo and the others to enter.

Seeing the persecution of Juncao, Matsuura Yasuo had no choice but to enter the pit with his two subordinates.

When he saw the Type 38 rifle in his hand, he wanted to throw it away, because this narrow tunnel was not convenient to use for too long Type 38.

It would be nice if there were submachine guns at this time, but unfortunately the Japanese army did not have them.

Due to the scarcity of resources, there were very few submachine guns in the field units of the Japanese army, and even if they did, they would not be given to the front-line troops, but more to guards such as divisional and regimental headquarters.

But it's also unrealistic not to have a gun.

Before entering the tunnel, Yasuo Matsuura asked his men to take out a few grenades, unleash the small rings, and then threw them into the sides of the tunnel.

"Boom!"

After a few explosions, the tunnel was full of sand and dust, and at this time, Jun Cao was urging behind again. Unable to do so, Matsuura asked his two men to enter the tunnel, and then he pulled down the towel that covered his mouth and nose, and then went into the tunnel.

Although the tunnel is only 1.5 meters high, the Japanese and Taiwanese are relatively short at this time, so it can be considered movable in the tunnel.

However, after a few grenades exploded, the entire tunnel was covered with sand and dust, and there was nothing to see ahead.

A Japanese soldier cautiously advanced with a gun in the tunnel, and because he could not see the tunnel in front of him clearly, he took off the grenade and threw it vigorously in front of him, trying to open the way with the grenade.

But as soon as he shot the grenade every two seconds, he heard something hit in front of him, and then the grenade actually bounced back directly.

Seeing the grenade that flew back, Matsuura Yasuo's face changed greatly, and he didn't know that the front was not open, but the wall, so the grenade jumped back.

"Baga, lie down!"

Seeing the grenade about to explode, Yasuo Matsuura slammed into the back.

"Boom!"

"Ahh

An explosion was heard, followed by screams.

Hearing the screams, the Chinese soldiers in the tunnel realized something.

"Ge Laozi, the little devil is in!" Liu Sandao heard the voice behind the shooting hole, and hurriedly shouted, "Shoot labor and capital!" Pile up the sandbags and watch out for the devils rushing in. ”

For a while, gunshots rang out in the tunnel, and the three of Matsuura Yasuo, except for the unlucky ghost who was killed by the grenade he threw out, he and the other person squatted on the ground to avoid the explosion of the grenade, and injuries were inevitable.

After the explosion, Matsuura Yasuo was about to stand up, when he heard gunshots coming from the tunnel, and then another of his wounded and not dead subordinates just got up, and several holes appeared in his body, and the whole person fell down like this.

Although this subordinate stood in front and blocked him with a few bullets, another bullet flew over and hit him in the shoulder.

"Yaga!"

Yasuo Matsuura felt the pain in his shoulder, and he couldn't help but curse, but the gunshots in the pit were still ringing.

He knew that if he continued to stay inside, he would die here, so he used that subordinate as a target for his gun, and he crawled towards the hole while carrying that subordinate on his back.

When he saw the entrance to the cave, he jumped out and rolled around on the ground outside.

Although the whole person fell dizzy, but breathing the outside air, he couldn't help but breathe loudly, and then glanced at the direction of the cave entrance in fear.

"Yaga, you coward!"

Jun Cao walked over and kicked Yasuo Matsuura twice, but did not let the other party go because he was injured.

With the support of the soldiers next to him, Matsuura Yasuo stood up, and then said, "Your Excellency, the tunnel inside is not straight, but curved, and the muzzle of the Shina man's gun is pointed at the hole, as long as we go down, we will become a live target." ”

"You are quibbling, your soldiers are dead, but you are still alive, you are a disgrace to the Imperial army." Jun Cao scolded.

The soldier who was targeted by Yasuo Matsuura was dragged out, shot a dozen times, and no longer breathing.

Scolding and scolding, but Juncao did not let Matsuura Yasuo continue to go down the tunnel, but sent others to try.

Soon, with the sound of several gunshots, the three soldiers who went in did not even come out.

Not only Matsuura's unit was defeated, but so were the other squads, and the entire squadron failed to see a single Chinese army in the tunnel.

The Japanese army's method for the Chinese troops in the tunnel was to throw a few grenades and then rush in, but unfortunately as long as they entered, few of them could come out alive.

The Japanese army did not understand the structure of the underground tunnel, and when they entered the tunnel, their eyes were black, and life and death were not in their own hands.

It's not that there is no other way, Matsuura Yasuo suggested using a bomb to see if he could blow up the tunnel, or just dig it with his own hands, digging the tunnel.

In the end, his team chose to blow up, and a lot of grenades were wasted, but they blew up several meters of tunnels, but in addition to the mouth of the tunnel becoming larger, they still had no problem with the Chinese soldiers in the underground tunnel.

Just when they were going to try this method again, artillery fire from the heights of No. 1 and No. 3 came, and many shells landed on the anti-slope of position No. 6 and the positive slope of position No. 2.

The Japanese troops who were attacking the No. 2 height, or were trying to attack the tunnels, were covered by artillery fire.

Although the artillery fire was not intensive, only two rounds, they could not deal with the tunnel with all their heart.

By the time they had launched their retaliatory fire, the Chinese army's artillery fire and gunfire had stopped, but then they rang out again.

In this way, the Suzuki Brigade and the Yamada Brigade stopped and stopped more than a dozen times, and by the evening there was still not much progress.

Thinking that it would be more dangerous to be on the heights at night, the two could only order a retreat.

Equivalent to the entire day, one and a half brigades commanded by the two of them, except for the hundreds of corpses left on the sixth and second heights, they did not achieve much success.

Since the tunnel was underground, the Japanese army did not know what was going on, nor did they know whether the methods for the tunnel were effective, because they did not see the Chinese troops in the tunnel coming out, and they felt that it was ineffective.

In fact, it was not that the Japanese army did not achieve results, but they did not know it.

At Position No. 6, a group of Japanese troops blew up part of a small tunnel only a dozen meters long, killing one soldier and wounding four other Chinese soldiers.

The Japanese army did not know about this.

It is not impossible to bomb it practically, but it is just because the Japanese army is not used to this combat method.

Don't think about it, when Sazuki Shaosa and Yamada Shaosa withdrew from the mountain with their respective troops, Satowara Osa naturally scolded.

From the 19th to the 22nd, the Japanese Botian detachment launched an unknown number of attacks on Zhu Po Mountain, paying the price of more than 700 deaths, and it was unable to help the 108th Regiment that held the position on Zhu Po Mountain.

Although they destroyed some of the tunnels, they were only part of Heights 6 and 5, and there were 11 such Heights in all.

Thinking that if they continued like this, they would all have to die here, and in the end, Satowara could only choose to give up attacking Zhu Po Mountain and concentrate on attacking Jilong Mountain with all his strength.

However, at this time, with the strength of the Botian detachment, it was no longer possible to launch a full-scale attack on Jilong Mountain, so fortunately, the 9th Division sent a wing to support.

Seeing that the Jilong Mountain position did not have a tunnel like Zhu Po Mountain, the resentment that the Botian detachment had been holding back in the past few days broke out in Jilong Mountain.

A large number of shells poured into the Jilong Mountain position, and the 107th Regiment suffered heavy losses.

Even if Leng Jie provided artillery support for the Jilong Mountain position, it still failed to reverse the predicament of the 107th Regiment.

On the night of September 24, in view of the strong Japanese offensive, Li Fangchen ordered the 107th Regiment to retreat north to the main position of the Fuchikou Fortress, and the Japanese army immediately occupied Jilong Mountain.

Needless to say, the withdrawal of the 107th Regiment led to a great reduction in the defense area of the entire Fuchikou Fortress, and even the No. 3 position defended by the 108th Regiment immediately became a front line, forcing Leng Jie to withdraw the artillery to the vicinity of the No. 1 Height.

Li Fangchen was also reprimanded by Principal Jiang personally because of this incident, and ordered Li Fangchen to hold on to the fortress of Fuchikou and Banbishan, and if he retreated, he could shoot the officers and soldiers below the division commander on the spot.

Principal Jiang said so, but it was still useless, and on the evening of September 26, the commander of the 18th Division disappeared after nightfall.

It wasn't until the next morning that someone went to report the military situation and found that Li Fangchen was missing. After investigation, it was learned that Li Fangchen had taken a part of the officers to cross the Zhupo Lake by boat last night and retreated in the direction of Yangxin.

When the news came, the officers and men of the entire 18th Division were blinded.

At the critical moment, as the supreme commander of the Fuchikou Fortress, he actually fled from the battle, how can this still be a war?