[Original Novel](https://novelpia.com/novel/56218) [Original Webtoon](https://novelpia.com/comic_episode/133)

After listening to Earth's rock bands and feeling the intense rock spirit, Oekdorsky travelled to Earth. But one day, his band suddenly breaks up, and he's about to head back to space when he wins the first prize in a lottery he joined for fun. Instantly wealthy, he decides to settle down on Earth and open the café he's always dreamed of... (Source: Manhwakyung, translated)

Ritsu, a boy who lives on an Earth that is approaching its destruction, meets a girl named Umi who was born on Mars. Umi sees the same Earth as he does, but somehow, it looks different to her. And so, these two start a midsummer's adventure together... Source: Shogakukan