While often categorized broadly under "lifestyle and entertainment," its content is strictly erotica, focusing on a specific aesthetic that distinguishes it from general-interest lifestyle journals.

: Digital formats prevent the physical degradation common to 1980s and 90s glossy paper.

: It utilizes large, high-resolution imagery and minimal text, a common trait in high-end erotica of the era.

: Issues like Busen Extra 3 and Busen Extra 4 were released in 1988.

Unlike mainstream lifestyle magazines—which typically cover fashion, health, and pop culture— follows the conventions of specialized adult erotica.

: The "Extra" in the title refers to its focus on specific physical attributes rather than a broader "men's lifestyle" approach like Loaded or Nuts .

The magazine's debut took place in a period of significant growth for the magazine industry. Between 1986 and 1996, consumer magazine titles saw a 38% increase globally as publishers began targeting increasingly niche audiences. carved out its space by focusing exclusively on "big breasts," often presenting 100-page issues filled with full-colour photography. Key publication milestones include:

: Digital archives make it easier for collectors to track specific photographers or models across the magazine's decades-long run. Busen Extra 9 9 (1991) - LastDodo