)

A pencil draws a sketch of a shoe on paper, then a hand sketches more shoes on a notebook with Japanese text, followed by a young man in a school uniform sitting by a window, looking down at a notebook, then a small bottle labeled "AIR-IN" on a tiled floor, and finally a hand picks up the bottle as a green light glows from it. The setting is a dimly lit room with a view of a lush green forest outside.