The Detective Agency for Regretful Male Leads Is Open for Business!

Histoire

After a lonely death from overworking, Selia Welfe finds herself reincarnated into another world... but not into a romance fantasy novel like she had hoped. Instead, she is the chief of a detective agency that specializes in tracking down runaway female leads! Immediately, she gets right to work, hunting for clues and risking her life to reunite couples and solve relationship issues. But when Selia rescues the life of a mysterious male lead, can she keep from getting too entangled in his story?

Synopsis via AniList (en anglais).