kyokosama's manga / #Don't make me lose control(1)

An expressionless employee, aka Robot-kun, falls in love with an older coworker who is the total opposite to him and who is a sex addict. Then, when Robot-kun confesses to his coworker, he gives him a chance since he thinks he is kind of cute. I liked it. It makes me feel a bit sad the way Robot-kun just accepted that he is unable to show his emotions and when he cries he said it was oil. Even though, I liked the story.