One common theme could be the exploration of their relationship dynamics. It might involve how they interact, whether it's in a friendly way or with some underlying tension.
I'm not sure about specific 'once ler x greed ler fanfic' off the top of my head. You could try searching on popular fanfic websites like Archive of Our Own. They usually have a wide variety of fanfictions in different categories.
Well, a common feature of a typical romance manhwa is the focus on the emotional journey of the couple. There's usually lots of cute moments, maybe some obstacles they have to overcome together to strengthen their bond. Also, the art style tends to be very appealing, making the characters look charming and the settings dreamy.
I think the ideal protagonist for a manhwa romance could be someone who is brave in facing challenges and shows unwavering loyalty in love. They should have a unique background or story that adds depth to their character and makes the romance more compelling.
For a romance manhwa to be good, it needs a compelling storyline. This could involve obstacles the couple has to overcome or a unique setting. Also, the art style plays a big role in creating the romantic atmosphere.
For me, 'Daytime Shooting Star' stands out. The characters are well-developed and the romance is heartwarming. Also, the plot is engaging and keeps you hooked.
In Greed Ler x Reader fanfictions, a prevalent theme is the exploration of emotions. Since it's a relationship - based fanfic, the development of feelings between Greed Ler and the reader is a big part. There are often themes of trust - building as well. The reader may start off being cautious around Greed Ler, and over time, trust is either built or broken. Additionally, the theme of mystery is common. Greed Ler may have secrets, and the fic revolves around the reader uncovering those secrets. And of course, the theme of attraction, whether it's physical or emotional, is almost always present.