Hobby?

A young man with dark, styled hair smiles and tilts his head back against a blue sky with power lines, then appears in a black sleeveless shirt looking upward in a room with a clothing rack, followed by a scene in a dimly lit space with red lighting where he looks up with another person partially visible, then he is shown on a stage in a black and white basketball jersey with "BTS" printed on it, holding a microphone and looking at the camera, then a black screen with the text "savkook.", and finally he appears in a dark blazer with a crest, looking at the camera with a serious expression agai