Have Some Shame!

From Renta!:

New recruit Yuya has started dating the office hottie - his boss, Akira! He still can't believe a man so amazing is his boyfriend! Just seeing that sparkling smile pointing his way makes him too nervous to kiss Akira, so Akira comes up with a plan... to blindfold Yuya and tie him up! This is an unabashedly naughty romantic comedy featuring a boss with a sadistic side that loves the sight of tears on his cute, clueless boyfriend.