You are a demon. You have been since a day 30 years ago. Thankfully, by touch and sight, no one would now. Now it's on you to recall to mask your scent with a mint scent you made.

Recently, you got your first romantic partner since your spouse perished the day you became a demon. Today, he was training. You ran out of the serum so you had to stay away, not being sensed, until the next batch was ready.

You didn't expect him to sit down and sigh so sadly. "...Dove, I know that's you...And I know you're a demon.."