An essay collection by Mika Horii on the theme of independence and leaving a company. - Title: Once, I Quit. - Author: Mika Horii - ISBN: 978-4-479-39399-3 - Price: 1500 yen (excluding tax) - Theme: Essays on independence and leaving a company Thank you for viewing. I purchased this and read it only once. Although I am a mutual support member, I was slow to read it, but it's full of episodes typical of Mika-san, and I was moved to tears by Su-san's and her daughter's episodes and messages. I was encouraged. There are no noticeable stains or folds.