Көңілдің екі түсі: Принцесса рыцарь сағасы

Japanese manga series by Osamu Tezuka
is an evil man who would repress the people if his son, Plastic, were to become king. Duralumin and his henchman Baron Nylon often scheme to take over the kingdom and attempts to prove that Sapphire is really a girl. Sapphire can keep the façade because, when she was born, she received the blue heart of a boy as well as the pink heart of a girl. Because of this, God sent Tink, a warlock who wants to steal Sapphire's special two hearted soul and take over the kingdom. However, he is always frustrated by Tink and his fear of angels, and by his own daughter, Hecate, At the 2011 San Diego Comic Con International, Vertical announced that it had licensed the 1963 versionefn|Specifically, Vertical translated the 1977 reprint published under the Complete Works Edition line. Vertical published it in two parts; the first on November 1, 2011, and the second on December 6, 2011. In the following year, Vertical licensed The Twin Knights, which was released on July 30, 2013. Both series were rereleased by Vertical in ebook format; first, The Twin Knights on July 22, 2015, and then both Princess Knight volumes on August 12, 2015.

The Princess Knight anime series was produced by Mushi Production and had Osamu Tezuka as executive director, and Chikao Katsui and Kanji Akabori as chief directors. In addition to the anime series, there is also 28 minute pilot film that was produced in November 1966 but was not broadcast on television. It was released as an extra when the series was released on LaserDisc in Japan. All episodes were released on LaserDisc by Pioneer on March 28, 1997. The episodes were also distributed in DVD format; Nippon Columbia released two box sets on December 21, 2001 and June 1, 2002. A single box set was released by Columbia on July 23, 2008, and another was released by Takarashijima on October 29, 2010. A "Best Selection" DVD series was first released by Columbia on September 25, 2003, and rereleased on July 23, 2008. The first part was released on August 20, 2013 while the second one was published on October 22, 2013. The show also aired in Australia in the 1970s, In August 2013, Hanabee Entertainment licensed the series for an Australian release; it was first released on DVD into two parts on September 18, and October 6, 2013 respectively, while a box set was released on September 6, 2014.

A remake of the original Princess Knight manga called Sapphire: Princess Knight was written by Natsuko Takahashi and illustrated by Pink Hanamori. Serialized from the May 2008 issue to the July 2009 issue in Nakayoshi, it was compiled into four tankōbon between September 5, 2008, and September 4, 2009. To commemorate the 60th anniversary of the series, a reboot version of Princess Knight started to be published on the online manga magazine Puratto Home by Home sha in July 2013. Called Re:Born: Kamen no Otoko to Ribon no Kishi (RE:BORN 仮面の男とリボンの騎士), it is a collaboration with Tezuka Productions and is illustrated by Shōko Fukaki with scenarios by Atsushi Kagurazaka. It lasted forty one chapters, that were later released on three volumes, of which the first was released on July 25, 2014, along with a drama CD based on it, and the last was published on January 23, 2015.

Because of the success of the first manga, a radio dramatization was created. A serial drama, the Princess Knight adaptation was broadcast on Radio Tokyo between April 4, 1955 and September 26, 1955. Almost thirty years later, a theater adaptation of the manga was created by the company Dengeki, running from July 5, 1984 to July 17, 1983. It played at Parco Space Part 3, was directed by Mitsumasa Shinozaki, written by Tsutomu Mukai, and starred Ran Ito. Another musical came in 1998; it was directed by Shunsaku Kawake, written by Kensuke Yokouchi, and starred Yoshihiko Inohara, Sae Isshiki and Ranran Suzuki. Yokouchi wrote another play and directed it himself; it was staged at Kanagawa Prefectural Youth Center in 2011, and starred Mikan Asakura. Yokouchi was also the screenwriter for two other stage adaptations in 2014 and 2016; both were directed by Masanari Ujigawa and staged at Rikkōkai Hall. The former starred Haruka Katayama and Aya Kamiki, while the latter featured Hirono Suzuki and Yui Itō. The Up Front Works record label Zetima released a music collection and a DVD of the musical on July 26, and November 29, 2006 respectively. Later, on December 25, its television broadcast was done by BS Japan. In 2015, celebrating the 60th anniversary of Nakayoshi magazine, a musical directed by Yukio Ueshima, written by Sayaka Asai and with music composed by Shuhei Kamimura was staged.