The Alleyway - A HSR (short?) love story between Jing Yuan, Blade, and an OC

Story TWs: Mature content, a lot of swearing at some points, mentions of murder, blood, not a direct mention but vampires

It was a normal day on the Luofu.
The criminal who is constantly running from a resilient general is suddenly pulled into a dark alleyway by a mysterious man nobody knows about.
The criminal and the general were once together. They are reunited through chance by an unexpected and unknown person.
The criminal and the general have gone through hell to get here again, and it's finally happened.. because of someone they've just met in an alleyway..
2 hearts who were once beating in unison have now turned into 3 hearts beating in unison until the end of time.