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 to get her to date him and isn't against using his many skills. Yakou's quirky coworkers, a contrarian human man and a sisterly beastwoman, kindly watch over her as she stumbles and blushes through the uncharted waters of office romance.