Question: What role playing game set in Japan was designed by the co-author of Shadowrun?

Context paragraphs:
Marvel Super Heroes (role-playing game): Marvel Super Heroes (MSHRPG) is a role playing game set in the Marvel Universe, first published by TSR as "" under license from Marvel Comics in 1984.  In 1986, TSR published an expanded edition, entitled the "Marvel Superheroes Advanced Game".  Jeff Grubb designed both editions, and Steve Winter wrote both editions.  Both use the same game system.

The Aethra Chronicles: The Aethra Chronicles - Volume One: Celystra's Bane or The Aethra Chronicles (also known as Aethra for short) is a classic 1994 MS-DOS shareware computer role playing game.  The game was based on the Rolemaster game system, a Pencil & Paper role playing game.  It was developed mostly as a one-man project by Michael Lawrence with some help from others for the graphics and sound/music.

Reveal Fantasia: Reveal Fantasia (リーヴェルファンタジア～マリエルと妖精物語～ , Riberu Fantajia Marieru to Yousei Monogatari ) Is a Fantasy role playing video game released in 2002 for the PlayStation 2 console by Victor Interactive Software, Inc. in Japan.  The game involved an innovative concept of a role playing game involving no battles or fighting.  Its game play shows some influence from dating simulation games.  The game was never released outside Japan.

Bushido (role-playing game): Bushido is a Samurai role-playing game set in Feudal Japan, originally designed by Robert N. Charrette and Paul R. Hume and published originally by Tyr Games then Phoenix Games and subsequently by Fantasy Games Unlimited.  The setting for the game is a land called Nippon and characters adventure in this heroic, mythic and fantastic analogue of Japan's past.  It was the first non-Western game besides Empire of the Petal Throne.

Cortex System: The Cortex System is a generic RPG system based on the "Sovereign Stone System ", and was developed by Margaret Weis Productions, Ltd for the Serenity Role Playing Game.  It was subsequently used for their licensed "Battlestar Galactica" and Supernatural RPGs, and brought out as a stand-alone system in the "Cortex System Role Playing Game" book (also called the "Cortex Classic System Role Playing Game").  Serenity, using the Cortex System, was the 2005 Origins Award Gamer's Choice Role Playing Game of the Year.

Paul Hume (game designer): Paul Hume has been designing role-playing games since the mid 1970s.  He co-wrote, with Bob Charrette, "Bushido", "Aftermath! ", and "Daredevils" for Fantasy Games Unlimited.  He is also a co-author of "Shadowrun", among other games.

Marvel Heroic Roleplaying: Marvel Heroic Roleplaying (MHRP), is the fourth role playing game set in the Marvel Universe, published Margaret Weis Productions under license from Marvel Comics.  It was a fast playing game using the Cortex Plus system, with the first volume published in early 2012.  In early 2013 Margaret Weis Productions announced they would not be renewing their license.

Online text-based role-playing game: An online text-based role playing game is a role-playing game played online using a solely text-based interface.  Online text-based role playing games date to 1978, with the creation of "MUD1", which began the MUD heritage that culminates in today's MMORPGs.  Some online-text based role playing games are video games, but some are organized and played entirely by humans through text-based communication.  Over the years, games have used TELNET, internet forums, IRC, email and social networking websites as their media.

Merpcon: MerpCon is an acronym for "Middle-Earth Role Playing Convention", a role playing game convention dedicated solely to role-playing gaming in J.R.R. Tolkien's Middle-earth.  The event is held annually on the last weekend of July and runs for 3 days from Friday, through to the end of Sunday (and sometimes a little into the following Monday morning).  To date MerpCon has been held each year in Spokane, WA, USA.  Beginning in 2009 MerpCon began to transition to being called Tolkienmoot as this convention's venue began to expand to include more Tolkien-related activities, events, and guests beyond just role playing in Middle-earth.

Shadowrun: Hong Kong: Shadowrun: Hong Kong is a turn-based tactical role-playing video game set in the "Shadowrun" universe.  It was developed and published by Harebrained Schemes, who previously developed "Shadowrun Returns" and its standalone expansion, "".  It includes a new single-player campaign and also shipped with a level editor that lets players create their own "Shadowrun" campaigns and share them with other players.

Supporting paragraphs: Paul Hume (game designer) Bushido (role-playing game)
Answer: Bushido