Y2K-style handwritten gal postcard overlay prompt
为照片添加 2003 年 GAL 风格马克笔涂鸦与文字，营造怀旧手写信笺感。
Add quirky, hand-drawn text and drawings in the style of a gal written with POSCA markers. The writing includes Japanese, and it uses wording that was common around {argument name="era" default="2003"}.
