I Have a Crush at Workこの会社に好きな人がいます ; Kono Kaisha ni Suki na Hito ga Imasu ; Can You Keep a Secret?

Tateishi, who works in accounting at a snack making company, has a secret. That secret is the existence of his cute lover that he’s had since yesterday. Why keep it a secret, you ask? Because his lover is his unyielding colleague from the planning department of the same company: Mitsuya!