After graduating from Korea University College of Medicine, record the moments of treating people with chronic mental illnesses at a psychiatric hospital located on the outskirts of the city.

E Jisung has been writing since 1993. He has published more than thirty books in various fields such as education, self-improvement, and humanities. His works include The Attic Full of Dreams, Lead by Reading, Eight, Eight:Think, Thinking Humanities, Twenty Years Old, Never Lose, Japanese, and Korean. His books have been translated and published in the United States, China, Taiwan, Japan, Vietnam, and Indonesia. “In March of my twentieth year, I dreamed of becoming a writer. When everyone around me ignored and laughed at me, the books in the library supported my dream. Fourteen years later, I wrote The Dreaming Attic to share with the world the R=VD that all dreamers have in common. It went from bestseller to bestseller, but it wasn't always that way. But I never gave up. Instead, I dreamed more vividly. And my dream to become a bestselling author came true at an amazing pace.” He has over 200k followers on YouTube and one of important political/ humanity writer in Korea.

Ryu Eunyoung studied costume design in college and has been working as a designer ever since. Currently, she is partnering with Seoul and Paris to create one-of-a-kind vintage bags under the name 'History by Dylan.'

She is a freelance writer who wants to fill her ordinary life by choosing what she loves. She lives with a large dog and three cats. Her works include titles such as "Would I Have Been Happier as a Stray Cat?", "Because It's a Cat", "I'll Handle It Myself", "I'm Not a Feminist, but", and "One Day, I Fell in Love with a Cat".

Maeng Nanja (1942-) is a South Korean essayist. In her essays, she writes on six themes: human existence, human body, nature, literature, reading, and Buddhism. Essay collection Siganui ganggaeseo (시간의 강가에서 At the Riverbank of Time) (2018) Essay collection Kkamagwi (까마귀 Crow) (2021)