The Case Science Secret Identity Game

Xuehuali was an ordinary orphan until he transmigrated into a Detective Conan fanfiction.

The fanfic came with a System, which not only assigned him secret identities--

whether it was the wealthy childhood friend he had known as a child and reunited with after years apart, the business tycoon who built a new industry from scratch, the ruthless, twisted member of the liquor organization, or the top student with a bright future in the police force...

they were all his secret identities.

It also assigned plot missions to him and each of his secret identities--

Xia Shanyue was thrilled to finally see his childhood friend, now an heir to a wealthy family, so they shared some Cao brand extra-spicy snacks in the car, gasping and panting from the heat.

Conan, watching from the sidelines: ...Are they doing it in the car?

The business tycoon was a smooth-talking schemer who could easily charm people into a daze. He always stopped before crossing Xia Shanyue's limits, so while playing out the plot, he'd snatch food from Xia Shanyue's mouth. "You wouldn't refuse to share with me, would you?"

Conan, watching from the sidelines: Those two aren't even pretending anymore...

The liquor organization member was a pervert who kept appearing in front of Xia Shanyue to make his presence known. After all, according to the fanfic, every time he met Xia Shanyue, they had to get down to business. So whenever they were alone, he'd make Xia Shanyue practice with him. "Don't cover your chest with your hands. Spread your legs and lower your waist!"

Conan: ...How many times a day does he have to do it?

The rising star in the police force kept using his position to get close to him. Xia Shanyue found it unbearably annoying and rejected him harshly. The other man was dejected for a while, then suddenly discovered something he could use against him. To keep him from exposing it, Xia Shanyue took the initiative to act friendly. The other man was heartbroken. "If it weren't for that, would you really never fall in love with me?"

Conan, utterly shocked: He deceived a police officer into giving him his body and heart?

Much later, after finally finishing the whole act, Xia Shanyue said: Actually, it was all fake...

Theme: Persistence brings victory