During the Third Great Ninja War, the cause of the Third Mizukage's death was a serious illness and Kiyosuke's actions, but the main reason was his severe illness.
If he hadn't had that illness, he definitely wouldn't have died so easily.
As for why he got the illness...
Naturally, it was because of these ninja clans. Dissatisfied with the Third Mizukage's rule, they sent people to assassinate him. Although the assassination failed, it left indelible wounds on the Third Mizukage.
The after - effects gradually wore down his body. Coupled with the arrival of the Third Great Ninja War not long after, he made multiple appearances. Finally, in a desperate attempt to save the village, he became a jinchuriki and was killed by Kiyosuke.
After Yagura Karatachi, the Fourth Mizukage, took office, he was well aware that the ninja clans could be a hindrance and planned to take measures to rectify the situation. In this regard, he also had the approval of the daimyo of the Land of Water.
Mei Terumi, Kisame Hoshigaki, Ao, and others were considered his confidants and knew his thoughts.
However, the most bizarre thing happened next.
Yagura Karatachi started to target those ninja clans without discrimination. Whether they were good or bad, he decided to wipe them all out, which weakened Kirigakure all of a sudden.
You know, the three major ninja clans, the Suigetsu, Kaguya, and Houzuki clans, were the pillars of the village. But Yagura Karatachi took extreme measures and almost exterminated them. Only some clan members managed to survive and escape.
Since then, Mei Terumi had begun to suspect that Yagura Karatachi wasn't in his right mind.
When Kiyosuke said he was crazy, she thought it was quite right.
Yagura Karatachi deeply loved Kirigakure. Even if he wanted to deal with those ninja clans, he wouldn't be so ruthless. In the terrifying environment of the "Bloody Mist Village," the people of Kirigakure were already gasping for breath.
Not to mention, Kirigakure was now in a state of extreme nervousness. As long as someone had even the slightest connection with those three ninja clans and was considered suspicious, they would be arrested and thoroughly investigated in the Kirigakure prison.
Kiyosuke glanced around, then skillfully got into the closet in Mei Terumi's room and stuck his head out, saying, "I'll rest here tonight. Take me around tomorrow."
"Are you kidding me? You're from Konoha!" Mei Terumi thought Kiyosuke must be crazy to ask her, a Kirigakure jounin, to show him around Kirigakure.
Was he still asleep?
"I know. I told you I'm looking for someone," Kiyosuke said.
Mei Terumi, wearing her nightgown, rushed over, grabbed Kiyosuke's collar, and whispered, "You're a Konoha ninja, and I'm a Kirigakure ninja! Do you understand?"
Kiyosuke looked into her green eyes and smiled. "I know. That's why I trust you."
Because it's you...
Mei Terumi's face turned red instantly. She let go of Kiyosuke and stammered, "Y - y - y - you... What are you talking about? We're ninjas from enemy villages. I - I can't possibly..."
"Don't worry. I'll stay by your side, miss. Your butler is at your service," Kiyosuke said. His gaze gradually shifted downward. Mei Terumi's nightgown was quite loose, and due to her previous movements, a deep cleavage came into view.
Oh no, is this a black hole? I can't move my eyes!
Indeed, a girl changes a lot as she grows up!
"Humph! I don't need a butler like you. What are you looking at?" Mei Terumi noticed Kiyosuke's gaze and quickly covered her chest, her face as red as blood.
"You - you - you... You pervert!!"
"Mei, it's so dark. How could I see anything clearly?"
In fact, although the room was dim, there was still a bit of light. Ninjas had much better night vision than ordinary people...
As a ninja, Mei Terumi surely knew this. "You son of bitch!!"
Slap!
Mei Terumi slapped Kiyosuke hard in the face, and he fell into the quilt in the closet.
Ouch! It hurt!
The sound was so loud that it woke up the maid sleeping next door.
"Miss?"
"It's okay. I had a nightmare," Mei Terumi composed herself and said gently. "Go back to sleep. Don't worry about me."
"Okay. Call me if you need anything," the maid said, not suspecting anything. Overcome by drowsiness, she lay down again.
Kiyosuke got up, rubbing his cheek. "You didn't have to hit so hard, did you?"
"Humph! Who asked you to..."
Mei Terumi, her face still red, grabbed his neck. "Why are you so shameless as to lie down in my house, in my room?"
"Mei - chan, we're friends," Kiyosuke looked at Mei Terumi seriously. "Can't a friend stay over at your place for one night?"
"Yes, but..."
But why did you sneak in like a thief and come into my room?
And you're so familiar with getting into the closet in my room. How many times have you done this?
Moreover, this wasn't the first time!
"Okay, I'm sleepy. I'll explain everything to you tomorrow." Kiyosuke closed the closet door, separating a dumbfounded Mei Terumi outside.
Mei Terumi was so angry that she stamped her feet. After closing the door, Kiyosuke covered himself with the quilt in the closet and slept soundly until dawn.
The next morning
Mei Terumi, neatly dressed, opened the door and woke him up. "Mr. Kiyosuke, it's morning. Time to get up. Go take a bath."
"Ah, okay."
Without thinking, Kiyosuke entered the bathroom and used the toiletries prepared for him by Mei Terumi. He finished his bath in three minutes. When he was about to change clothes, he stared at the neatly - folded women's clothes in front of him and fell into deep thought.
He stuck his head out and asked, "Mei - chan, did you take the wrong clothes?"
Mei Terumi smiled gently. "No, these are for you, Mr. Kiyosuke. If you want to follow me, this is necessary."
"Ah..."
Looking at the women's clothes, Kiyosuke decided to put on his dirty clothes.
After changing into clean underwear, when he was about to find his dirty clothes, he was horrified to find that they were gone!
Damn it!
"Where are my clothes?"
"I don't know," Mei Terumi said with a mischievous smile. "You only have one choice, Mr. Kiyosuke. These clothes suit you very well."
"No, I have a second choice," Kiyosuke narrowed his eyes and looked at Mei Terumi menacingly. "That is to strip you of your clothes."
"Go ahead and try, you coward, Kiyosuke. Would you really do that?"
Mei Terumi looked at him with a gentle gaze.
"You..."
Kiyosuke was at a loss for words. Facing Mei Terumi, he could only threaten, but he wouldn't really do it. If he did, this friendship would be over.
"Kiyosuke, you're such a coward. You talk big, but you're actually a coward in action," Mei Terumi said, pursing her lips and smiling. "Change into them, Kiyosuke - chan!"
"You..."
"Okay, I won't tease you anymore. Put them on. It's necessary. Transformation Jutsu can't deceive Ao's eyes. You need to use makeup and disguise techniques." As she spoke, Mei Terumi took out bottles and jars, making Kiyosuke's scalp tingle.
"Do I really have to cross - dress?" Kiyosuke took a step back, leaning against the wall and asking.
Poor, weak, and helpless!
"Of course. This is a necessary sacrifice, Kiyosuke!"
At this moment, Mei Terumi was like a devil!