Board Thread:General Discussion/@comment-26199823-20150107003836

After his appearance in Episode 7 had left many viewers with tons of questions. Some, in particular, have different theories on this mysterious character. Discuss here about theories and thoughts.
 * Long lost older/twin brother of Yūya.
 * Counterpart of Yūya.
 * Yūya from the future.
 * The son of Yūya and Yuzu, who came from the future.
 * Yūya's clone.
 * Simply looks like Yūya.
 * A rebellion boy who was betrayed.
 * Yūya's dark side.
 * Possibly a Barian due his homeland being Heartland City.  