kono kaisha ni suki na hito ga imasu. "why don't we date?......in secret." tateishi, who's an accountant in a snack company, has a secret, which is the existence of his sweet lover whom he's had since yesterday. why does it have to be a secret? because his lover is mitsuya, his unyielding coworker from the planning department of the same company! a pure office romance tale about a couple who have secretly begun their relationship and want to keep it that way!