MTL - Pretend To Be a Good Person In the World of Conan - ~ A lot of undercover agents

How massive must the wealth of a family that has been passed down for five thousand years be? Sometimes, you’ll never know how rich your family really is until you push your parents a bit! Only after inheriting his family’s five-thousand-year fortune did Zhang Menglong realize that the joy of the wealthy is so simple. Bank president, “Mr. Zhang, please, I beg you to deposit your money with our bank, and you can set the interest rate!” Huaxia’s top wealthy second generation, “Does the whole world belong to your family or what?” World’s richest person, “I feel like I am just a poor man!” European Royal Family, “Mr. Zhang, are you lacking a girlfriend? If you are, would you mind finding one? If not, would you mind one more? What do you think about our country’s princess?” Latter, Zhang Menglong found out that the college his parents left him was the most impressive thing. Actually, being a dean turned out to be even more joyful than being the world’s richest person!

An underprivileged prodigy, a cruel, ruthless world, and an epic story of battle and conquest. A young man with an exceptional inheritance leaves the small, rural city from which he hails on a journey to find the girl of his dreams. He defeats countless prodigies, sweeps through all forces that dare to stand in his way, and progresses step by step toward the pinnacle of all the worlds!
“I’m not targeting any gods in particular. All I’m trying to say is that all gods are trash in my eyes!”

- Description from Novelupdates

A young man dies tragically while trying to stop a robbery—only to awaken in complete darkness, lost between life and death.As his memories return, he discovers that he’s been reincarnated into a new world brimming with magic, Soul Weapons, and mystical powers. Reborn as Ares into a loving family, he quickly realizes that this world is far from peaceful. Armed with an SSS-Rank Trait and a Unique Ability, he faces every challenge head-on as he searches for his purpose in this strange new reality.

“What’s my class?”[Beast Tamer – Class E]“..Seriously?”Lee Min-Jae was a workaholic with no social life who died slumped over his keyboard. When he opened his eyes, he was in an RPG-like world — but with the worst class imaginable: Tamer.Tamers were seen as useless. Weak. Limited to disloyal, expensive-to-keep wild monsters.But he wasn’t just any fool. He was a systems-obsessed gamer, an expert at finding exploits and shortcuts.With his cold, analytical mind, he chose to break the game’s rules — by leveraging the most reviled mechanic of all: contracts.Where others saw abomination, he saw an exploit. And he was ready to turn the worst class into something unbeatable.---------------This story have:[Adventure][Smut][MSmut] (no NTR).[Harem][System / LitRPG][Strategy] - cold planning, exploiting mechanics, creative use of abilities.[Cold and Calculating Protagonist] – no naive romance.[Worldbuildin] – rules, politics, economy.[No NTR] – the protagonist is not betrayed, no passive humiliation content.