It's a story about young characters experiencing life and love during the start of summer in a small town. There are elements of friendship and self-discovery.
You might start by looking at bestseller lists in the genre related to the manhwa. Or, check out novels by authors who have a similar writing style or approach to storytelling as the manhwa creator. Another idea is to browse reviews on book websites to find novels that match your preferences based on the manhwa.
It's a matter of personal preference. Some people might like it for its unique plot and characters. The story often has elements that can be engaging, like interesting power systems and character development.