History of Walking Upright
Movie| Title | 직립보행의 역사 |
| User score | 7.1 |
| Release date | Dec 16, 2017 |
| Genre | Romance, TV Movie |
| Production country | South Korea |
| Run time | 68 min. |
Mi Na is a normal high school student who skatesboards to school every day and has an unacknowledged crush on family friend slash local tennis star Jong Min, who is her fellow student. Also Mi Na has the superpower to turn invisible twice a day.
