Nano Banana Prompt: Chiikawa Monthly Calendar Vertical Poster Generator | Curify AI

(Chiikawa Style Monthly Vertical Calendar Poster Generator) Vertical cute monthly calendar wallpaper themed 'december christmas dinner'. Layout: Solid soft pastel color background, top half large cute Chiikawa character seasonal scene illustration matching the month theme, big bold hand-drawn month number + kanji text in the middle lower area, standard weekly calendar grid below (SUN to SAT column headers, numbered date cells), small copyright text at very bottom. Style: Official Nagano Chiikawa cartoon art style, clean thick black outline, soft matte texture coloring, warm gentle kawaii aesthetic, vertical phone wallpaper ratio, high resolution printable monthly calendar art. Subject: vertical Chiikawa character monthly calendar wallpaper for 'december christmas dinner'.