Come with me as we explore Seouls most popular new cafe Kings Cross - Platform 9 3/4 a Harry Potter theme cafe in Hongdae. The cafe so far has no presence on social media, so I shall just share the address with you below. A full written account of experience can be found over on my blog afatgirlsfoodguide.comSeoul Mapo-gu Seogyo-dong 417 ( 417)