Comic / Storyboard - Manga page prompt for Nano Banana Pro

Prompts are written in English: image generation models produce noticeably better results with English instructions. Copy it as-is.

Create one page of a manga featuring these two people. White background with black lines.
Manga theme: {argument name="manga theme" default="An older sister who absolutely cannot remember something important, and her younger sister who cannot guess what it is"}
The manga panels progress from the top right to the bottom left.