They both have a setting of romance between co workers. There is also love at first by one party, who then relentlessly pursues the love interest without paying heed to their personal boundaries (in a 'loving' way of course), because it's only stalking if the person is not attractive
They both portray workplace romance and the main characters had past history. Though one is more interesting than the other, they are both good series with similar plot.
Office relationship, where one of the leads falls for the other and realizes their feelings earlier, while the other seems to need more tome to realize or admit what they feel.
Both of these Korean BL dramas feature a main lead who is a bit jaded by romance due to their past relationship that he had sacrificed a lot for, and his new love interest that enthusiastically (and a little hyper-ly) pursues him even after initial rejections.
Both BL series have an office setting, are cute and include a main character that has a good heart but doesn't have much self-confidence, has had back luck in love and is hesitant to enter into a relationship.
