To provide an animation reproducing unit capable of modifying and reproducing an animation so as to coordinate movement of plural characters.

An optional movement tag included in an animation description script relative to a second character is described so as to be synchronized with an optional movement tag included in the animation description script relative to a first character, and the respective tags are memorized in a first script memory means 103 and in a second script memory means 104. A script interpreting means 106 is characterized by executing interpretation of the movement tag included in the animation description script of the first character by referring to a script interpretation table memorized in an interpretation table memory means 105 based on combination with the synchronized movement tag included in the animation description script of the second character.