Rebirth mechanism
· Non-accidental rebirth: Su Wan's rebirth is related to the Lu Chen family's ancient fragrance secret technique
· Aroma anchor: specific aroma can trigger deep memory and connection with time and space
· Prices and restrictions: Reborn people will gradually lose part of their past life memories and must find the "Fragrance of Destiny" within a year to consolidate their souls.
Perfume system
· Traditional School: The ancient method of perfumery inherited by the Lu family, emphasizing the resonance between aroma and people's spirit
· Commercial school: Industrial perfume production led by the Gu family, pursuing market and profits
· Forbidden techniques: the lost "Fragrance of Time", "Fragrance of Memory" and other secret recipes that can affect memory and time
Distribution of power
· Gu Group: business empire involving real estate, finance, and cosmetics
· Lu's Fragrance: A century-old fragrance family that masters mysterious fragrance recipes
· Lin's Biotechnology: an emerging force trying to use technology to replicate the secret of fragrance
· International Fragrance Association: Hidden forces are eyeing ancient fragrance recipes
