Synopsis for
The Wall-Passer (2007) More at IMDbPro »Chuan qiang ren (original title)

In the near future. Tye, a teenager, moves with his parents to "Real City." When he visits a museum, Tye meets a cute museum employee, NoNo. Tye secretly falls in love with her. After NoNo disappears, Tye uses a magic stone to pass through walls to search for her in Elsewhere, but he only found a blind girl Ya-hung and in love with her. Then he realizes that he is a character Ya-hung created in her video game. Tye let Ya-hung taking his place and return to Real City to experience his family life. When they both return to their own worlds, Tye has lost his lover again. Twenty years later, Tye meets a girl like NoNo did twenty years earlier...