Hello Schoolgirl is the second feature film directed by
Ryu Jang-ha, following his 2004 debut
Springtime. The film is adapted from the first
webtoon by
Kang Full, which was serialized on
Daum and attracted a record-breaking 60 million page views and 500,000 visitor comments. As with the webtoon, the story of the film revolves around two unconventional romances with a noticeable
age disparity, though other details of the original serial were changed, such as setting the story in the summer as opposed to winter. and filming commenced on April 1, 2008. ==Release==