The book, The 10 Habits of designing my life, 10 C, is about how Choi designed her life with the habits,
  that she believes one should acquire to reach success, as an active 'communication expert.' These habits
  are the 10 C's ― concentration, culture, communication & convivialit, cooperation, care, creativity, confidence,
  challenge, curiosity and commitment.

 https://www.donga.com/news/article/all/20150127/69297752/1