Using a KVS transaction processing mechanism, four lock states are managed. A remote controlling processing apparatus 14 of a file sharing system 10 is connected via a network 15 to a controlled processing apparatus 12 including a file storage part 17 in which a plurality of files 1, 2, 3. A partner’s emotion or situation information is inputted, and thus instinctive motivation information is generated. The invention includes a titanium alloy case which is titanium with 6% aluminum and 4% vanadium as its major alloying elements.