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In Japan, there is a concept called "Kokoro" , which roughly translates to "heart" or "spirit." It refers to the idea that one's attitude and mindset can overcome even the most challenging obstacles. This philosophy emphasizes the importance of perseverance, hard work, and a positive attitude.

The title suggests a theme of "addiction" or habitual behavior, specifically focusing on solo "lustful" acts recorded by the individual. Where to Find or Identify In Japan, there is a concept called "Kokoro"