Takarajimasha, Inc.

Takarajimasha, Inc. is a Japanese publisher headquartered in Chiyoda-ku, Tokyo. It was established on September 22, 1971 as J.I.C. Corporation and changed its corporate name to Takarajimasha, Inc. on April 1, 1993. Its publishing history includes the launch of the magazine Takarajima in June 1974 and Bessatsu Takarajima in March 1976, along with many later magazine and book series. The company operates the Takarajima Channel e-commerce site and reported 206 employees as of August 2026.

Takarajimasha, Inc. was established on September 22, 1971 as J.I.C. Corporation, a consulting business for local governments. In June 1974 it launched the magazine Takarajima, followed by Bessatsu Takarajima in March 1976. On April 1, 1993 the company changed its name to Takarajimasha, Inc. Over the following decades it launched numerous magazines and book series, including CUTiE (1989), smart (1995), SPRiNG (1996), Takarajimasha Bunko (1998), sweet (1999), Takarajimasha Shinsho (1999), mini (2000), InRed (2003), the Brand Book series (2005), steady. (2006), MonoMax (2007), Takarajima SUGOI Bunko (2008), GLOW and Linnell (2010), Otona no Oshare Techo and Otona Muse (2014), &ROSY (2017), MonoMaster (2018), and Sutekina Ano Hito (2019). It also created the Kono Mystery ga Sugoi! Award in 2002, started corporate advertising in 1998, held Tokyo Music Hanabi in 2012, entered the kippis licensing business in 2015, began collaborating on magazine-supervised fashion brands in 2018, absorbed subsidiary Yosensha in 2020, and expanded the Takarajima Channel e-commerce business in 2021. The magazine Takarajima announced its suspension of publication on August 25, 2015.

• Takarajima

• Bessatsu Takarajima

• CUTiE

• smart

• SPRiNG

• sweet

• mini

• InRed

• steady.

• MonoMax

• GLOW

• Linnell

• Otona no Oshare Techo

• Otona Muse

• &ROSY

• MonoMaster

• Sutekina Ano Hito

• Takarajimasha Bunko

• Takarajimasha Shinsho

• Takarajima SUGOI Bunko

• Kono Mystery ga Sugoi!

• Kono Light Novel ga Sugoi!

• Kono Manga ga Sugoi!

• 2022.01.31

  Reported2022.01.31

  GENDA GiGO Entertainment acquires Takarajima[5]GENDA GiGO Entertainment收购Takarajimaautomaton-media.com

  GENDA GiGO Entertainment announced that it had acquired all shares of Takarajima, making Takarajima its subsidiary. The article says the acquisition adds 24 amusement venues to GENDA GiGO's lineup.

Read more

1. 1月刊宝島│宝島社の通販 宝島チャンネルtkj.jp
2. 2宝島社 沿革tkj.jp
3. 3宝島社 会社概要tkj.jp
4. 4宝島社 採用情報tkj.jp
5. 5GENDA GiGO Entertainment收购Takarajimaautomaton-media.com