>>55203827That would work for most image generators, but NovelAI is a special snowflake that likes danbooru tags. Prose sometimes works, but tags give more consistent results. This is what I turned your prompt into:
1girl, {Hex Maniac (pokemon)}, {hair flower (black rose)}, hair down, happy, black earrings, black lipstick, Full body, {{Egyptian clothing, halterneck top, tribal}}, tight pants, yoga pants, sitting, desert, beach, night, outdoors, {1980},
