BL manhwa refers to Boys' Love comics or graphic novels that come from South Korea and feature romantic or intimate relationships between male characters.
Well, smut manhwa typically features themes and scenes of a sexual nature. It's not for everyone and is usually targeted at a mature audience. These comics can vary in their level of explicitness and storylines related to sexuality.
Well, a rut bl manhwa usually features male-male romantic relationships and explores various themes related to love and emotions. It's a popular genre in the world of manga.
You could try 'Killing Stalking'. It's intense and keeps you on the edge of your seat. But be warned, it's quite dark. Another one is 'The Tutor's Secret', which has a unique plot and interesting characters.
The racing bl manhwa usually has exciting car races and intense competition scenes. The characters are often depicted with unique personalities and skills.