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, 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.
To survive as a villain in a BL manhwa, you have to be strategic. Understand the weaknesses of the heroes and exploit them. Also, build alliances when it suits you, but be ready to betray them if necessary.
In Chinese BL MPreg novels, the themes of love and acceptance are often prominent. The male characters have to face not only their own feelings for each other but also the reactions of their families and society. The MPreg aspect also brings in elements of new life and responsibility. These novels may also incorporate elements of Chinese culture, such as family values, albeit in a rather unconventional way. For instance, how the family will accept or reject the new family model formed by the male - pregnant situation. Moreover, the character development is usually complex, with the characters growing and changing as they face the challenges brought about by their relationship and the MPreg situation.