• http://ameblo.jp/rurika-blog/: Official blog

• Daily Idoling!!! (Since 2012) (6 episodes)
• Gekkan Idoling!!! (14 episodes)
• Idoling!!! (Since 2006) (605 episodes)
• Idoling!!! Nikki
• Ruri Umeko no Nandemo yarimasuka??? (Since 2010) (31 episodes)
• uRa Idoling!!! (73 episodes)
• Weekly Idoling!!! (Since 2012)

Photo books

• RURIKA, 2010-03-31
• Yokoyama Rurika: 1st Photobook [Ruriiro], 2008-11-27

Video

• Dateling!!! (dvd), 2012-10-31
• Coloring (dvd), 2011-12-16
• Ruri Umeko no Nandemo yarimasuka??? ~ Ryokan & the Sea (dvd), 2011-09-07
  with Kawamura Yui
• Ruri Umeko no Nandemo yarimasuka??? ~ Triathlon Competition (dvd), 2011-08-03
  with Kawamura Yui
• Ruri Umeko no Nande-mo yarimasu-ka??? (dvd), 2011-02-02
  with Kawamura Yui
• Traveling (dvd), 2010-10-20
• Four Seasons (dvd), 2009-10-23

Music

• Walk My Way (1st single), 2013-06-19
  
  • Walk My Way (Type A) [Ltd. Edition]
  • Walk My Way (Type A) [Regular Edition]
  • Walk My Way (Type B) [Ltd. Edition]
  • Walk My Way (Type B) [Regular Edition]

Other

• Yokoyama Rurika 2013 Calendar (calendar), 2012-10-10
• Yokoyama Rurika 2011 Calendar (calendar), 2010-09-25
• Yokoyama Rurika 2010 Calendar (calendar), 2009-09-23
• Yokoyama Rurika 2012 Calendar (calendar),