[Single female protagonist Xiao Ai + Super sweet + Gangster boss + Richest man + Original plot]

[Chapter 73, The protagonist and Xiao Ai are together]

[Chapter 405, The Two Get Married]

Note: To prevent the novel from collapsing, there will be no theatrical version! There will be no magic! Because Conan's theatrical version is too bullshit!

Please be careful if you mind!

My name is Lin An. I traveled to this world five years ago and obtained the Richest Man System. After I spent three years completing the task and became the richest man in China and the boss of the underworld, the system disappeared.

After a trip to Japan and a meeting with the leader of the Yamaguchi-gumi, I discovered that I had traveled to the world of "Detective Conan"!

Hehe, Xiao Ai, here I come~(～￣▽￣)～!

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My name is Haibara Ai, and my real name is Miyano Shiho. After taking APTX4869, I unexpectedly shrunk. On the way to Kudo Shinichi's house, I fainted. Fortunately, a handsome older brother saved me.

He gave me a sense of security that I had never had before, but I was afraid that Brother Lin An would be implicated in the Black Organization because of me.

But I can't bear to leave him. I think I'm a little bit in love with him?

No, this big brother is so gentle to me! I really like him!

Brother Lin An, I want to be your girlfriend! ヾ(*′▽'*)ﾉ!

Xiao Cang traveled through the Doupo world and bound himself to the [Many Children, Blessings, and Branches] system!

For every additional offspring he has, he will receive a generous reward!

So he started by marrying Yun Yun!

[Ding! Congratulations to the host for obtaining: "Burning Technique·Complete Edition"! ]

[Ding! Congratulations to the host for obtaining: Strange Fire - Myriad Beast Spirit Fire!]

[Ding! Congratulations to the host for obtaining: Fifth-Rank Alchemist Experience!]

【……】

The first reward was so generous that Xiao Cang firmly embarked on the path of having many children and good fortune.

Many years later, when he broke through to the Dou Di realm, he looked back and saw that he had built the strongest family in the Dou Qi Continent!

The librarian, who was the champion of the World Swordsmanship Championship, traveled to the world of Demon Slayer during the Warring States Period, awakened the Great Swordsman System, and became a disciple of the Jigoku brothers.

From then on, he created various legends of his own in this world!

Muzan Kibutsuji: Facing Yoriichi, I can still escape, facing the librarian, I have no choice but to die! Yoriichi Tsugikuni: Your strength has surpassed mine! Demon Slayer Corps: The librarian is the most powerful man!