: The main features and special commentary tracks are in Korean only .
This is the scene that started it all. We actually filmed this very late into the production schedule because we needed the exact right snowfall. We used a mix of real snow and artificial snow, but the temperature was so cold that the breath condensation was real.
: These tracks feature the main cast and director discussing key production moments, including the logistical challenges of filming scenes with nearly 50 actresses playing university students in chaotic dormitory sequences. Kiss Scene Commentary
: A main 124-page photobook and a separate 100-page special book. Script Set : A printed version of the drama's script. Additional Memorabilia
"Jung Hae-in [Su-ho] told me to imagine a tiger under a blanket. You know it’s dangerous, but you can’t stop looking. That’s the scene."