Born in Seoul, Kim Rira has had several jobs. She chose her career as a writer, however, due to feeling alive when she writes children's stories. She started her career receiving The 4th Woongjin Junior Literary Award for Muay Thai Grandpa and Taekwondo Grandson. At the time of writing, she’s written children’s books including We are Worry Friends, I’m Never Going to be Your Friend!, No! Stranger!, Natobi!, King of Care, Bread that Makes You Smart, Mr. Platon’s Idea Snack Bar, Weird Birthday Invitation, Save the Golden Bird and Sohui’s Coming!.