This paper investigates largely unexplored aspects of the postwar Japanese media industry by tracing the cross-media developments that bloomed from a single poem written by an elementary school girl. Tomo Fusako, a poor elementary school student, wrote the poem “Outage” in 1951 as part of her schoolwork. Tomo’s teacher, Bessho Yasoji, selected Tomo’s work to be published in an original poetry journal featuring children’s writing. Her poems and essays were eventually reprinted in magazines, collected volumes, and even published in textbooks. In 1958, Fujimoto Giichi, an unknown university student at the time, adapted “Outage” into a radio drama and stage play. These works were then further adapted for TV dramas. Children’s essays and poems made for attractive content for the publishing industry and the emerging fields of commercial radio and television media. Fujimoto himself became a famous television host, though it impeded his literary career. Examining Tomo and Fujimoto’s relationship with literary production and media adaptation reveals a cultural world far removed from the literary establishment’s (that is, the bundan’s) view of literature.