Kai and Choi stood before Huang and Lin, ready to absorb the wisdom and guidance they were about to impart. Huang cleared his throat and began, "Boys, now that Kai has turned 15, it's important for you both to understand the significance of this milestone. While you are considered adults in the eyes of the law at this age, you must prove yourselves to be valuable members of our society within the next five years."

Kai nodded, absorbing his father's words. "I understand, Dad. I want to show everyone that I'm capable of taking care of my future family and contributing to our community."

Huang smiled proudly. "That's my son. You need to find a job on your own, showcasing your skills and abilities. While I will always be here to support you, it's crucial for you to demonstrate your independence and capability to the world."

Choi, listening intently, chimed in, "What about me, Dad? I still have a few months before I reach 15. What should I focus on during this time?"

Huang turned his attention to Choi. "You have a little more time to prepare, Choi. Take this opportunity to learn and gather knowledge. Ask questions, observe others, and acquire the skills that will serve you well when your time comes."

Lin interjected, "Boys, I think it's important for you to understand the expectations surrounding marriage as well. In our culture, marrying young is customary, and being a single 20-year-old can carry certain implications. It's important to find a suitable partner and fulfill your responsibilities as adults."

Lin also gave the boy a basic sex education, things like how the periods of women worked, pregnancies and sexual diseases. Sex is not something foreign to most kids in this world, while its not something parents do in front of their children there are plenty of animals around that kids soon understand the basics that sex makes babies.

Kai and Choi exchanged glances, absorbing this information. Lin continued, her tone firm, "But I want to make something very clear. You are not to become playboys, using your father's name or perceived wealth to engage in casual relationships. If I find out that you're disrespecting others or treating relationships casually, there will be severe consequences."

The boys nodded, understanding the gravity of their mother's words. Lin added, "When you court a girl, make sure she is someone who can run a household independently if necessary, and be as loyal as our faithful Onyx. A strong and trustworthy partner is crucial."

With Lin's instructions given, she excused herself, leaving Huang alone with the boys. Huang's gaze turned serious as he looked at them. "Now, there's something important I need to discuss with both of you. It concerns a spell passed down in our family. But before I proceed, I need your absolute vow that you will never mention or teach this spell to Mia. The consequences would be too great for me to bear."

Curiosity mingled with determination in Kai and Choi's eyes as they exchanged another glance. Kai spoke up, "We swear, Dad. We won't breathe a word about it to Mia. We understand the responsibility."

Satisfied with their response, Huang continued, "The spell I'm about to teach you will fortify your bodies beyond their natural limits. As body cultivators, it will enable you to become stronger, even if you can't reach the higher ranks of cultivation. However, there is one side effect you must be aware of. The spell can make you incredibly aroused if you're not accustomed to its effects."

The boys listened attentively, their curiosity piqued. Huang went on, "I can maintain the spell all day without being affected by the side effects, but it's different for beginners. I advise you to practice the spell only in private spaces, like near a toilet, in a safe part of the forest, or with a trusted partner who understands and supports your cultivation journey."

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Kai and Choi nodded, understanding the importance of caution in their practice. They took the oath to keep the cultivation spell a secret from Mia, fully comprehending the potential consequences if they failed.

Anyone looking from the outside would think that it was strange how Huang and Lin were talking but sometimes you need to be formal or the point doesn't get across.

–

Months had passed since Kai embarked on his journey into adulthood. He had taken on various jobs, from farming to construction and even working as a cashier in a shop. Huang had always emphasized the importance of understanding how things worked, believing that it made protecting them easier. Kai had come to appreciate the wisdom in his father's words.

As a guard, Kai soon realized that his role was not just about killing monsters. It was about safeguarding the entire city. He remembered one incident where he had to protect a farm from a swarm of monstrous rats. Thanks to his experience working on a farm, he devised a plan to lure the creatures away, saving the crops from further destruction. Kai understood the value of his diverse work experiences, as they had provided him with the skills and knowledge needed to fulfill his duties effectively.

Meanwhile, Choi had found his calling as a scout. His keen senses and exceptional memory made him a natural fit for the role. He assisted Kai in his search for a suitable marriage partner, honing his scouting and information gathering abilities. The brothers trained together in their courtyard, their bond growing stronger as they pursued their respective paths.

One day, as they trained together in the courtyard, Kai couldn't help but chuckle. "Choi, it won't be long before Mia reaches Rank 4 and catches up to us. The jokes about us being weaker than a little girl might soon become a reality."

Choi burst into laughter, his amusement contagious. They had often endured playful taunts from their friends about their sister's progress surpassing theirs. However, they embraced the upcoming milestone with laughter, knowing that Mia's potential was far greater than what others could fathom.

As they took a momentary break from their training, Choi leaned against the wall, crossing his arms. "By the way, Kai, I heard something interesting today. There's a girl in town who seems to match your criteria for a wife. She's recently moved here with her family."

Kai's interest piqued, and he turned to face his brother. "Really? Tell me more about her."

Choi smirked, enjoying his role as the informant. "Well, she's beautiful, like Mom. Works at a restaurant, so I'm guessing she knows her way around the kitchen. Her family seems alright, nothing bad to report. And the best part? She's single."

Kai nodded appreciatively. "Thanks for the information, Choi. I appreciate your help in finding a potential partner."

Choi waved it off with a grin. "Hey, what are brothers for? Besides, I've been training my scouting and information gathering skills. It's the least I can do to assist you in this important endeavor and she probably has friends you can throw my way later."

Grateful for his brother's information, Kai began to think about the future. Working extensively as a guard had inadvertently attracted attention from numerous girls, some of whom had even broken engagements in an attempt to catch his interest. While flattered, Kai understood that his future wife needed to be more than just a pretty face. She had to be someone who could fit seamlessly into their family, provide support to other family members, and possess qualities beyond domestic chores.

Furthermore, Kai recognized the importance of finding someone who would not be intimidated by Mia. Though she had not yet displayed her true abilities outside their home, her training sessions occasionally astonished the entire family with her mana manipulation. Kai couldn't help but wonder how many nicknames Mia would have earned if people knew the extent of her capabilities.

With these thoughts swirling in his mind, Kai and Choi concluded their training for the day and retired to their sleeping quarters. Kai contemplated how to approach the girl his brother had found, knowing that the potential union could shape his future and intertwine their lives. As sleep beckoned, he allowed his dreams to weave possibilities of a prosperous and fulfilling future alongside a partner who met his standards.