An old seer who lives on an isolated island in the cold waters could be a main character. He has the power to foresee events related to the sea. People from all over come to seek his advice, and his interactions with those who visit could form the basis of the story.
One idea could be a story about a young sailor who discovers a hidden island in the cold waters. He might find ancient secrets or magical creatures there.
One of the main differences is that Hideo Azuma's manga might focus more on psychological depth and character introspection. Also, the visual aesthetics could be more avant-garde compared to typical manga.
Well, it might be a romantic story focusing on the relationship and its ups and downs. Or it could be a comedy with lots of funny moments involving the snake gf.
The main features of 'Seoul Station Manhwa' include its intense and gritty atmosphere, realistic character portrayals, and a storyline that explores themes of survival and humanity in a post-apocalyptic setting. Also, the detailed illustrations add to the immersive experience.