Human emotion is a point to communicate each other. we applied human emotion to make computer interface. In this paper, we have researched the next generation interface technology "Bio Feedback system" which enabled us to estimate an emotional state of human being and so we applied it to embody ‘NPC’ using "Reinforcement Learning Algorithm" which is able to respond appropriately to human being’s emotions.

Attempt of various form are made for game. An on-line game is application processes event, which reacts according to condition. Animation of character is expressed according to event. An emotion is decided by message queue's iteration achievement. This treatise does not plan event of game to simple processing system and propose autonomous emotion expression system of FuSM's game character. Interaction increase of game with the actuality the world resembling that to do express, and it can augment sociality. Game space is action space by simple iteration, which convert to space that can express users. This treatise may offer various elements to game take part in users.