Semantic Error is the most recent hit of its genre and despite not being very similar in story, people who watch Blue of Winter might want to know about this.

Mr. Heartt is also a drama that focuses on a sport and it is also a k-LGBTQ show. People who watch Blue of Winter might like Mr. Heart.

Has enough action and light suspense. Maybe not as much as Vagabond, but slightly similar. It is definitely a great show.