本片是一部Romance片，由导演，由Kang Mi·na/Byeon Woo·seok/Im Won·hee主演。
剧情简介：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.
外文名：직립보행의 역사
类型：Romance / TV Movie
演员：Kang Mi·na / Byeon Woo·seok / Im Won·hee / Lee Min·ryung / Yang Hye·ji / Lee Jini
