Ruoran has been guarding Yunyi for so many years, but someone else got there first.
Ruoran is so cruel, why didn't she keep an eye on Yunyi in the first place.
On the wedding day, the bride Yunyi and her best man ran away from the wedding.
Together with Ruoran who is disguised as a man.
"Will you always stay with me?"
"Of course."
——I am your patron saint, and I only exist to protect you.