Instructions for consumption:
1. Sirius×Snape, mutual attack by nature, no car;
2. Soulmate AU, the setting is that the link between soulmates will be perfected and revealed only after a certain opportunity, so many people will not feel the existence of the link throughout their lives. After the link is built, soulmates can share each other's physical and mental feelings to a certain extent;
3. The timeline is shortly after the Halloween incident, when Sirius was in prison and Snape was teaching. There should be no direct communication between the two in the first few updates;
4. You may still need to be warned about self-destructive tendencies. If nothing unexpected happens, the ending will be open-ended.
Rowling deserves everything she deserves.
Conception: