Yakou Shizuka, a quiet and bashful woman, works at a detective agency. Her boss Tounome, who owns the company, is the gentlemanly type, kind and dapper, though he has an extra talent—he's invisible! His special ability is perfect for detective work, but he quickly comes to find it doesn't work on Yakou, who is blind and always knows if he's near. Charmed, Tounome is determined…