This app is a quiz app that contains a lot of trivia about New Japan Pro Wrestling Strong Style.

In December 1971, Antonio Inoki was expelled from the Japan Pro-Wrestling Players Association for plotting a coup d'état against Japan Pro-Wrestling, and was permanently banned from Japan Pro-Wrestling. (For more information, see "Information case.")

On January 13, 1972, Inoki established New Japan Pro-Wrestling Co., Ltd. On March 6, the New Japan Pro-Wrestling event was held at the Ota Ward Gymnasium.

On November 14, 2005, Yukes acquired 51.5% of the shares of New Japan Pro-Wrestling held by Inoki and became a subsidiary of Yukes (later acquired all shares). In the same year, he withdrew from the Japan Professional Sports Association.

On January 31, 2012, Yukes transferred all shares of New Japan Pro-Wrestling held by Yukes to Bushiroad Group Publishing (currently Bushiroad) for 500 million yen to become a subsidiary of Bushiroad, and became the president of Bushiroad Group Publishing Kitani. Takaaki became the owner.

In 2014, he escaped from the state of excess debt, and in the fiscal year ended July 2017, sales were 3.85 billion yen and net assets were 930 million yen. Business has been stable since then.

Advocating "KING OF SPORTS" and advocating a fighting style called "strong style", from around the latter half of the 2010s, the players themselves advocated "de-strong style" and were furious like the conventional strong style. He has established a fighting style that sets him apart from the usual fighting style.