Highlighting the daily logistics can add depth to a character. This includes chronic back pain, the difficulty of finding clothes that fit both the waist and the chest, or the specialized (and often expensive) undergarments required for support.
When describing a character’s bust, varying your word choice can help set the right tone for your write-up: mega big busty
You can explore how a character’s large bust affects their self-esteem. Some may feel empowered and "sexy," while others might feel "visible" in ways they find uncomfortable or "unwieldy". Highlighting the daily logistics can add depth to
Full-chested, well-endowed, heavy, broad-shouldered. Classic/Formal: Buxom, voluptuous, statuesque, Junoesque. Casual/Modern: Curvy, stacked, built, curvaceous. Narrative Perspectives broad-shouldered. Classic/Formal: Buxom