The Sound of the Moon Moving

It is said that when planets move, there is no medium to transmit sound, so no sound is heard. If so, should we say that sound is present but unheard, or that no sound is produced at all? Should a personality existing without a body be considered to exist as a human being, or not to have existed from the beginning...? Sanho, who can't say no to others, can't refuse requests, and always smiles even in awkward situations, has long harbored a crush on Taeon, an outsider in his department... But Taeon's reaction is strange. One moment he smiles kindly at Sanho, the next he suddenly acts completely unfazed. Could Taeon be a master of seduction?