The work of Yann Le Gal mainly consists of creating figurative images, including drawings, paintings, photographs, books, sculptures, and various artifacts. Le Gal draws from a variety of sources to build a personal diary with subjects and figures from nature, art history, mass culture, or imagination. Crafted with time and care, his work expresses an intimate fragility within solemn compositions, as if the images themselves carry an awareness of their own vulnerability and inevitable disappearance.

He was eight years old when he lost his father, and his mother, a former lingerie designer, raised him and his sister. She played a formative role in his upbringing and continues to influence his life and art today. After his apprenticeship at the École des Beaux-Arts in Reims (France), he was awarded the Renoir Foundation Prize in 1999. This led to several solo and group exhibitions during the 2000s. His early influences range from both classic and modern artists, such as Rembrandt, Rodin, Manet, Giacometti, and Picasso. His early artistic explorations reached a peak with the opening of a large studio in the suburbs of Reims, which he transformed into a pagan temple where he challenged himself to paint gigantic compositions centered around the allegory of Dionysus.

Also passionate about comics since childhood and his reading of The Adventures of Tintin, Le Gal joined a team of comic book artists and co-founded "Atelier 510 TTC" in Reims. His collaboration with his friend and writer J.D. Morvan led him to contribute to several comic book series such as Le Dieu Singe and Au Bord de l'Eau, adaptations of traditional Chinese novels like Journey to the West and Shui Hu Zhuan, both published by Delcourt. This collaboration culminated in the exceptional collective comic book Vies Tranchées, published in France by Delcourt in 2010. The script is based on archives of French soldiers affected by psychological trauma during World War I, discovered and studied by Hubert Bieser, a former director of a school for psychiatric nurses.

In 2012, Le Gal moved to Japan with his wife, musician and artist Mayphy Miho Higashi. For one year, they traveled through Kyoto Prefecture to meet and record the stories of local residents. This experience resulted in the creation of one hundred life-sized painted portraits of Kyoto citizens and the publication of an art book titled Kyoto Portraits 100. This massive project culminated in a memorable exhibition at the Kyoto Museum "Bunka Hakubutsukan" in 2014, followed by another presentation at the City Hall of Kizugawa for the "Kizugawa Contemporary Art Festival" the same year.

Moving to Japan forced Yann Le Gal to confront his cultural origins, ultimately leading to the creation of the MIAM project. This project allowed him to reconcile a cultural antinomy: the "Great Art" represented by academic works from museums, universities, and institutions, juxtaposed with pop culture conveyed by comics and mass media entertainment. Through this project, he questions what it means to be a painter in the 21st century. This inquiry opened new paths in the dialogue between the myths of art history and contemporary society, embodied in the modern fairy tale that is "MIAM."