It's sad that their both two failed creative but it makes sense. Considering how socially anxious Seiko was it makes sense that she never had the courage to chase her dream. And considering how much the dad(I can never remember his name) struggled with his education and paving his own way, it makes sense that his creativity dried up and he fell back onto his safe option. They were just two creative people who didn't know how to exist properly. They thought that maybe they could make it together but in order to do so they both abandoned their callings, killing any chance of them having their happily ever after.