悠々自適な夏休みを過ごし、さぁ新学期と張り切って制服に着替えたものの玄関まで行ったところで急にやる気が切れた女の子

Right after lazing around during summer vacation, this girl gets to the point that she is wearing her uniform for the new semester, but at the front entrance, she loses all of her will to go.