The 2015 South Korean film The Beauty Inside explores the profound question:

"The Beauty Inside" is a 2015 South Korean romantic comedy film directed by Joo Ho-min and starring Lee Joon, Park Hyo-shin, and Yoon Se-ah. The film tells the story of a young man who wakes up every day in a different body, and his journey to find true love. The movie gained popularity worldwide, including in India, where it was dubbed in Hindi and made available with English subtitles.