Story: The story felt a bit fast. The author did intend for it to be a short story, but I feel like there were so many things happening that you couldn't all fit it satisfactorily into one. Both Mio and Shun had pretty traumatic experiences with their families - especially Mio. I wanted the author to sort of marinate the characters and let them sit with these problems and have them show up in their personalities. I thought the idea of Mio always feeling lonely because of his parents death was an interesting concept but he never acted that way. Mio and Shun both easily make a deep emotional connection which I find kinda unrealistic given their circumstances. Again, I liked when Shun's ex-fiancee showed up, but I feel like it was too fast and too sudden and I wanted them to ~marinate~ in those feelings. Also, it's never explained wtf Shun is writing about, which I feel would give a great insight into his character. All in all, I think the key idea I'm getting at is that it didn't necessarily feel rushed, but instead I feel like the author could've chosen to make it longer to really dig deeper into the themes and feelings they were exploring.
Art: So beautiful. The shading was excellent, and the backgrounds were amazingly detailed for a manga. It all felt so heartwarming and drawn by someone who has lived near the seaside their whole life. It really felt like you were on a remote island with them. I will say that there is little variety in the character's facial designs, but honestly with such a small cast it wasn't a huge deal, just something that I noticed.
Despite my negativity towards the story, I still think it explored interesting themes and was overall a great heartwarming read.
