Pollyanna

Pollyanna is a novel by American female writer Eleanor H. Porter, published in 1913. The poor pastor's daughter, Pollyanna, loses her parents and goes to her aunt's house to live. The innocent and unspoiled girl's action melts the aunt's frozen heart into single life, finally regaining fire in the house and warming the villagers.
It is a topical film produced in the United States, England, and Japan made of movies, dramas, animations, etc., and the theme of the optimistic work has received a great response from readers, causing a sensation of Pollyanna at a time and becoming a common noun even beforehand. Subsequently, the series Pollyanna Grows Up was published.