A content managing device comprising: a display control unit configured to perform control of displaying, on a display unit, a first display object, a region corresponding to a set to which the first display object is to be added, and a second display object, the first display object corresponding to a content item, the second display object being associated with a process; an instruction accepting unit configured to accept an instruction for moving the second display object on the display unit; a determination unit configured to determine a position to which the second display object is moved by the instruction accepting unit; and a control unit configured to perform, when it is determined by the determination unit that the position to which the second display object is moved is located in the region, control of performing the process associated with the second display object on the content item corresponding to the first display object that is in the set corresponding to the region, and configured to perform, when it is determined by the determination unit that the position to which the second display object is moved is not located in the region, control of generating, at the position that is determined by the determination unit, a new region corresponding to a set to which the first display object is to be added, and control of moving the second display object to the new region, characterized in that the display control unit further performs control of displaying a particular-process performing region (901, 902, 903) for providing an instruction for performing a particular process on the content item corresponding to the first display object, wherein the instruction accepting unit further accepts an instruction for moving the region on the display unit, wherein the determination unit determines (S1002, S1003, S1004) a position to which the region is moved by the instruction accepting unit, and wherein, when it is determined by the determination unit that the position to which the region is moved is located in the particular-process performing region (901, 902, 903), the control unit further simultaneously performs (S1005, S1006, S1007) the particular process on the content item corresponding to the first display object that is in the set corresponding to the region. a display control unit configured to perform control of displaying, on a display unit, a first display object, a region corresponding to a set to which the first display object is to be added, and a second display object, the first display object corresponding to a content item, the second display object being associated with a process; an instruction accepting unit configured to accept an instruction for moving the second display object on the display unit; a determination unit configured to determine a position to which the second display object is moved by the instruction accepting unit; and a control unit configured to perform, when it is determined by the determination unit that the position to which the second display object is moved is located in the region, control of performing the process associated with the second display object on the content item corresponding to the first display object that is in the set corresponding to the region, and configured to perform, when it is determined by the determination unit that the position to which the second display object is moved is not located in the region, control of generating, at the position that is determined by the determination unit, a new region corresponding to a set to which the first display object is to be added, and control of moving the second display object to the new region, characterized in that the display control unit further performs control of displaying a particular-process performing region (901, 902, 903) for providing an instruction for performing a particular process on the content item corresponding to the first display object, wherein the instruction accepting unit further accepts an instruction for moving the region on the display unit, wherein the determination unit determines (S1002, S1003, S1004) a position to which the region is moved by the instruction accepting unit, and wherein, when it is determined by the determination unit that the position to which the region is moved is located in the particular-process performing region (901, 902, 903), the control unit further simultaneously performs (S1005, S1006, S1007) the particular process on the content item corresponding to the first display object that is in the set corresponding to the region.