Riichi Ueshiba (aka Reach Ueshiba) is a Japanese manga artist born September 4, 1969 (aged 48 as of 2017).

He has written and drawn Yume Tsukai (Dream User) and Nazo no Kanojo X (Mysterious Girlfriend X), which are finished projects. These manga were also released as anime series. Another of his works, Discommunication, had its main characters animated in the 14th episode (OVA) of Mysterious Girlfriend X.

Ueshiba's went quiet after concluding the manga for Nazo no Kanojo X. Since then, Mysterious Girlfriend X ( Nazo no Kanojo X ) has been granted its own Wikia in Fandom Wikia, and is slowly being expanded to include information about all of the English translated manga and English sub-titled anime.

Since Riichi does not use social media platforms (or even a blog), it is unknown whether or not he retired from creating manga altogether.


  • Discommunication (1991–1999)
  • Discommunication: Gakuenhen (1998)
  • Discommunication: Seireihen  (1999–2000)
  • Yume Tsukai (2001–2004)
  • Nazo no Kanojo X (2006–2014)

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