This is the first story of the "Lulu and Pappo" series.
Lulu, a kind little girl, and Pappo the penguin live in a town where the heat feels like endless summer.
One day, the two best friends head to the local museum, only to find something endangered right before their eyes.
※「ペンギンのパッポとちいさなやくそく」の英訳版です。

Updated and revised on August 14, 2026.
Updated and revised on April 1, 2026.