Often, BL manhwa share common themes like forbidden love or societal challenges. 'I Became the Lousy Side Top' might have such themes in common with others. Also, the art style and pacing could have some resemblance.
The way the story builds tension and resolves conflicts could be similar. And sometimes, the settings or background stories of the characters might have parallels in different BL manhwa, including this one.
I'd recommend 'The Overlooked Hero'. It shares the aspect of a character initially underestimated but grows throughout the story, similar to 'I Became the Lousy Side Top'. Also, the art style and character development have some similarities.
It's about a protagonist who finds themselves in an unexpected and less favorable position as the side top. But the details can vary a lot depending on the plot development.
I'd recommend 'Love in the Moonlight'. It has a similar tone and themes. Both focus on character transformation and have engaging storylines that might appeal to you if you liked 'I Became the Lousy Side Top'.
The unique premise of becoming a lousy side character is interesting. It's not the typical hero or main villain role, which offers a fresh perspective.
The adaptation is decent. It manages to capture the key elements of the manga without major distortions.
Well, one way to find similar novels is to consider the elements in 'I became the lousy side top novel'. If it has a lot of character - centric drama and a unique world - building, you could search for novels that also focus on complex characters and their development within a fictional world. For example, 'The Villainess Reverses the Hourglass' has a similar aspect of a character trying to change their fate in a story world.
Well, manhwa is a Korean comic format, while BL focuses on male-male romantic relationships. Some manhwa might have BL themes, but not all. BL often has a specific focus on the romance aspect.
They often share similar themes of romance and emotional depth. The character development might also have commonalities.
They have different storylines and themes. System BL often focuses on a specific system or rule-based plot, while manhwa has a wider range of genres and styles.
There are quite a few. Both might focus on intense emotional connections and complex character developments.