Your first name of Tumanaka gives you self-assurance, independence, and confidence. You are usually either telling or showing someone how to do something properly. You must be independent and you do not brook interference in any way. Although you are good natured and never intend offence, nevertheless your strong mindedness and candid manner of expression could put a strain on close relationships. Although you do not tolerate interference in your own affairs, this characteristic does not prevent you from interfering in the affairs of others. Your strong characteristic of individuality qualifies you as a leader. You have depth of mind and the ability to concentrate and to follow a line of thought to a logical conclusion. You work best as your own boss as you are self-motivated and decisive, and resentful of someone telling you what to do. Also, there could be a tendency for your peace of mind to be disturbed because of worry. You have to be your own boss as it is most difficult for you to submit to direction from others.