My online dating circle has millions of followers, why would she put a collar on me?

(Rating will rise after release) [Online romance + real-life girlfriend] + [A love triangle] + [Multiple QCs] + [The female lead is very considerate in the early stages, but becomes yandere later]
"Jiang Miaomiao, you made a million yuan using my photos for online dating?"
"To be precise, it's 1.3 million."
Looking at his own sister in front of him, Jiang Yi felt like he was going crazy!
That's 1.3 million!
Jiang Yi felt a pang of pity and, in order to prevent his sister from going to jail, he had no choice but to go to the meeting in her place.
But who would have thought that after meeting his online girlfriend in person, he would be arrested and taken to the police station.
All of this was discovered by his official girlfriend, Xia Anmian, and his online boyfriend, Su Xiaoyue.
…………
However, what he imagined did not happen. Su Xiaoyue said she would not ask him to repay the money, but he had to register their marriage.
She finally managed to fool Su Xiaoyue, but who knew that Jiang Miaomiao had more than one online romance?
Having barely escaped from Su Xiaoyue's clutches, Jiang Yi was imprisoned.
That girl with exceptional agility not only imprisoned him, but also wanted to play with him...