The moment Heero was appointed as the President of the Hero League. Heero had to immediately share his secret technique, the Ki Comprehension, and an eye technique that could differentiate a specter.
He did that but the Ki Comprehension he shared within the Hero League was not the same as his Ki Comprehension. It was a common Ki Comprehension in Dramonia.
For his Family, Heero would not let them learn the shared Ki Comprehension but the one that was better than the one he shared with the Hero League.
Of course, the one he shared with the Hero League was not an inferior secret technique. It was the best one among the common ones. But he had that much better than the one he shared and he wanted to share the better technique with his father-in-law and his grandpa-in-law.
After he finished with his work, no, it was still far from finished. But he was done with today's work and went back to have dinner together with his family, his daughters, and his four wives.
Even though he was busy with work all day, he at least spared his time to have dinner together with his family. Half an hour after dinner, Heero, Bai Xin Yue, and Kang Seo-Yeon headed toward the Heero Academy.
They went to the Martial Hall where Bai Tian Ming and Kang Myung-Chul were.
As soon as the three entered the Martial Hall, they saw Bai Tian Ming in his tank top doing a push-up while Kang Myung-Chul's was sitting cross-legged on Bai Tian Ming's back.
This was typically a couple would do where the boyfriend showed off their strength with the girlfriend on the back. However, these two clearly were not a couple.
The moment the three entered the hall, Kang Myung-Chul opened his eyes. Looking at his granddaughter's brilliant face, the old man smiled.
"You have come, "
Heero nodded awkwardly as he did not know how to respond to the sight.
Kang Myung-Chul got up and was followed by Bai Tian Ming. Despite doing a push-up, no sweats could be seen on Bai Tian Ming's face. Bai Tian Ming's face was strict while Kang Myung-Chul was putting on a friendly face.
"I heard it from my daughter, do you want to teach me your secret technique, right?" Bai Tian Ming did not bother with a greeting and got to the main topic directly.
"Yes, Father, " Heero responded with a smile and a nod.
"I am telling you, I only learn from the strong. So before you teach me something, you should prove to me that you are strong enough to teach me something!" Bai Tian Ming declared in a stern tone.
Bai Xin Yue wanted to say something but Heero prevented her from speaking. He stopped her with his hand and smiled at his father-in-law.
"That's fine for me, how about we have a spar with a basic move?"
Heero had expected this and readily asked his father-in-law to have a spar against him.
Kang Myung-Chul merely shook his head from the sideline. He had seen all the footage of Heero's battle. He had an estimation of how strong Heero was in his mind.
'But it's interesting to see it directly with my eyes. I am not going to interfere and be the referee instead, '
The old man smiled and opened his mouth, "Then I will oversee the spar. A spar of combat sport. You can use your internal energy, but only to strengthen your fist or kick!"
"That's fine by me!" Bai Tian Ming instantly agreed with a nod.
"Combat sport!?" Heero looked toward his two wives, asking an explanation of what combat sport was.
"It's a fighting sport or martial arts fight but with no secret technique. You can't use your fire or lightning but your fist and kick, it's like that, " Kang Seo-Yeon explained with a helpless shake of her head.
"Ah, that's fine by me. Let's do that!" Heero's eyes lit up and faced his father-in-law with a smile.
After that, Heero and Bai Tian Ming walked to the center of the martial hall. There was an 8 meters distance between them with Kang Myung-Chul standing between them.
Kang Myung-Chul looked at Heero first then looked toward Bai Tian Ming.
"Start!" The old man raised his hand and immediately retreated to keep a safe distance.
Bai Tian Ming's sharp eyes focused on Heero. It was not that he did not know how strong Heero was. But he wanted to try to measure Heero's strength. He wanted to know the gap between them hence he planned this.
As soon as Kang Myung-Chul's voice rang, he saw Heero rushed toward him. It was a swift movement but his eyes still managed to capture the motion.
Halfway to reach him, Bai Tian Ming saw Heero's motion of attack.
Spinning Back Kick!
That was Heero's move.
Bai Tian Ming moved both hands to the belly. He wanted to catch the kick and counter it with a spinning kick as well. That was the plan but the thing did not go as he planned.
The moment he tried to catch the kick, he was doomed to lose.
The moment Bai Tian Ming was about to catch the kick. His eyes widened as the force behind the kick was beyond his expectation. The kick bypassed his hand and landed on his belly.
"Kurgh!!!"
Bai Tian Ming let out a pained grunt as his body curved forward and flew back.
Bam!
His momentum only stopped when his back hit the wall. He felt a throbbing pain in his stomach yet he paid no attention to or even checked whether he suffered an injury or not. L
Bai Tian Ming squatted down with his knees and stared at Heero's direction in a shock. Not only him, everyone in the room was quite shocked as well. They could see Heero's motion and they could tell it was not a strong kick based on that but…
Even Heero was shocked himself as he hurried toward his father-in-law. He kept in mind to control his kick but it seemed it was still too powerful even for his father-in-law.
"Are you okay, Father!?" Heero was quite concerned as he asked out.
"What's that? I am pretty sure it was just a normal kick, right!?" Bai Tian Ming did not answer Heero's concerned question but he returned with another question.
"It was indeed a normal spinning kick but I reinforced it with my Internal Energy, " Heero nodded his head with a smile. He believed now his father-in-law should know how strong he was.
It was just a simple exchange of a blow but it was enough to prove he was the stronger here.
"So, are you interested to learn the secret, Father?"
"I am in for that!" Kang Myung-Chul was the first one to answer. He was fully convinced after witnessing the spar just now.
"Good, if it will make me stronger then I will do it!" Bai Tian Ming stood up and gave an answer with determination.
Heero grinned at his father-in-law. He was not expecting this father-in-law of his would be easily convinced. He had prepared a long thoughtful explanation but it seemed that it was not needed.
On the day the first time they met, it was as if Bai Tian Ming would kill him at that moment with his murderous glare after knowing his daughter chose him to be her husband. That was why he thought he needed a lot of time to convince his father-in-law. But it was the exact opposite of his expectation and it went well.
Kuhum!
Kang Seo-Yeon let out a light caught to get the three men's attention and it worked. The three looked toward her direction with a look of inquiry.
"We have a little problem but that little problem catches big attention! Heroes, rankers, and even the citizens cause quite a stir of it right now!"
She tapped her smartwatch, showing a bunch of texts.
Kang Myung-Chul and Bai Tian Ming frowned instantly when they saw the smartwatch's screen. Both seemed to be similar to the one shown on the screen.
As for Heero, he was clueless as always. He approached his wife and got a closer look at the screen. Right on the top middle "Challenger" was written and in the center was a name, familiar one, Ryan White.
He scrolled down and skimmed through a bunch of texts. Right below those texts, surprisingly, he found his name there, Xing Heero.