Seisei suru hodo, Ai shiteru (2016)

Kurihara Mia works for the public relations department of a company. She falls in love with her company's vice president Miyoshi Kairi after he helps her locate her missing engagement ring during a business trip. Mia does not realize who he is until he comes to the public relations department as part of training. She finds herself having to work with Miyoshi as his trainer. He is severe at times and yet gentle at others. Mia's heart is captured by him little by little. But Miyoshi already has a wife.