Occupant protection device

An occupant protection device for a vehicle, the occupant protection device comprising:

• a collision detector configured to detect a collision of the vehicle;
• a main airbag configured to, in response to the collision detector detecting the collision of the vehicle, deploy from a predetermined storage position toward an occupant who is to be seated on a seat of the vehicle, the storage position being located in front of the seat;
• a belt airbag stored in a seatbelt configured to restrain the occupant;
• a belt controller configured to control winding of the seatbelt, extraction of the seatbelt, and prohibition of the extraction of the seatbelt;
• a distance detector configured to detect a distance from the storage position of the main airbag to the occupant or the seat;
• and
• an airbag controller configured to, when (i) the collision detector detects the collision of the vehicle and (ii) the distance is equal to or greater than a predetermined distance, deploy the belt airbag from within the seatbelt without causing the belt controller to prohibit the extraction of the seatbelt for a predetermined time period.