Kujibiki Tokushou: Musou Hāremu ken - Chapter 212

She was the head of a powerful, medicine-orientated aristocratic family.

Crossing through a millennium, she ended up in the body of the General Household’s “trash” young miss, whose engagement with the Crown Prince was just broken as she suffered under everybody’s taunts!

In the drafting feast, she was re-engaged by the Emperor to marry the famous disabled prince!

Everybody laughed, a blind trash with a disabled wastrel. What a perfect match!

However, they didn’t know that in her hand, she grasped the long-lost primordial pill recipes! Her practice in medicine had reached the apex! Her contracted beasts were unique in the world!

What was the most frightening, was the disabled prince she was engaged to…….

A black-belly full of dirty tricks, with a heaven-opposing cultivation physique, he defeats all geniuses!

In his wheelchair during the day, yet entangling her in bed as he trained his waist muscles… MF! Is he really crippled!?

- Description from Novelupdates

[Vest flow, semi-invincible, Conan colleagues]

Interview with the protagonist:

Q1: What is your secret to becoming the ace shark player of the Black Organization?

Jiang Xia: “Take Conan to the target’s house for a walk.”

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Q2: What’s your secret to retrieving the treasures stolen by Kidd many times?

Jiang Xia: “His accomplice is my vest.”

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An interview with the detectives of Kexue World:

Q1: How do you view Jiangxia?

Detectives: “Except for solving the case too quickly + being unable to hold people back, there are no other shortcomings.”

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Q2: As a high school detective, why not join forces with Jiang Xia to fight against the Black Organization?

Detectives (hurriedly wave their hands): “No no no, can’t tell him that the darkness of the world is too heavy for him.”

- Description from novelbuddy

He is the heir of Di Hao Group; decisive, cold-blooded yet dotes on his wife a little too much.