Book (Practical) Living I am myself, I am stupid, I am stupid. Single-Person Mental Art without Being Swayed by Others

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Home Economics and Life Science
Lifestyle and Living
Hiroyuki Style Mental techniques that are not swayed by fools The strongest mental skills to survive in the future! Sinking Japan, Unreliable Japanese Government, Black Companies. What is the strongest weapon that an "individual" can protect from what threatens an individual? The tip of Hiroyuki's stress-free lifestyle!