The fashion associated with this lifestyle is often described as "Effortless Elegance." It combines:

: While "Aneki" implies a biological sister, only two stories in the collection actually feature brother-sister incest; most focus on "onee-san" (older sister) archetypes like seniors or teachers.

The word Aneki (or Onee-san ) carries a weight of responsibility, maturity, and affection. In entertainment, the "Sweet Elder Sister" is defined by: