Chanyeol always comlained when he had to pick up his younger sister from ballet class. But one day he doesn't complain anymore. And it's not just that he doesn't say anything bad: He even seems to be happy to do so. He starts asking his parents if he can pick his sister up. It's only naturell for his parents to ask their son about his sudden change of mind, right? Chanyeol tells them something about "fullfilling his duty as an older brother" and "getting closer to his cute little