Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love, heartbreak, or unrequited emotions, given the title 'Hanjuaan' which translates to 'a lover' or 'beloved'. The overall emotion conveyed is one of wistfulness and introspection.

Environment: The setting appears to be a cozy, indoor environment with a mix of modern and rustic elements. The background features a bookshelf with books, a brick wall, and a window with a kettle on the windowsill, suggesting a quiet, intimate space. The atmosphere is calm and contemplative, with soft lighting that adds to the romantic ambiance.