Providing method and device of interactive virtual reality contents

A device for providing interactive virtual reality content, the device comprising:

• a memory;
• and
• a processor,
• wherein the memory includes instructions causing the processor to execute operations of displaying option items and an actor performing a standby operation, wherein while the actor is performing the standby operation, an idle image sequence of a first image showing a first standby posture of the actor and a second image showing a second standby posture of the actor is repeatedly displayed, receiving a selection for one option item from the option items from a user as an input while the actor is performing the standby operation, checking a first posture of the actor at a time point at which the selection is received, identifying a branched image according to the selection, checking a second posture of the actor at a start time point of the branched image, according to the checked first posture of the actor, selecting one connection image from a first connection image showing the actor moving from the first standby posture to a second posture, and a second connection image showing the actor moving from the second standby posture to the second posture, displaying the selected connection image so that the first posture of the actor at the time point at which the selection is received is smoothly connected to the second posture of the actor at the start time point of the branched image, and displaying the branched image.