From Renta!:

Mozumi, the chief of the accounting team who is feared by the staff for his intimidating look, has a secret. He loves, loves, loves cute things and sweets! No one can know he has such girlish hobbies, so he enjoys them in secret. But it just so happens that Ise, the ace of the sales team, finds out...! "I... have a habit of teasing things that are cute." He says to Mozumi panicking and gives him a passionate French kiss, making his penis erect for the first time in a while...! A complex mature love story between a wily subordinate employee and an intimidating but innocent boss!