Time Travel Shoujo is based on a 1983 book titled Jishaku to Denki no Hatsumei Hakken Monogatari by Japanese educator Kiyonobu Itakura. It is part of the Hatsumei Hakken Monogatari Zenshuu series which describes the story of various scientific discoveries and inventions throughout history. The 1983 book focuses on discoveries related to magnetism and electricity.

After the Kingdom of Liones faces a new threat, the Seven Deadly Sins split up in order to defeat an enemy force spanning Britannia. With their members divided, they face 3 powerful foes, attempt to rescue the lost part of a dear friend, and begin their rescue of Elizabeth. However, all is not quite as it seems. Along the way, the truth of what brought the end of the Holy War 3000 years ago is uncovered, causing old friends to come face to face against each other. Nanatsu no Taizai: Fundo no Shinpan continues the adventure of the Seven Deadly Sins and their friends, and sees a great power released.

Isami Hanaoka is just a fifth grader who happens to be a descendant of the Shinsengumi. Together with fellow descendants and classmates Soushi Yukimi and Toshi Tsukikage, she discovers in the basement of her home, strange artifacts left behind by their ancestors as well as a message urging them to "Fight the evil Kurotengu organization." (Source: ANN)

Mix Masters is a Korea-Japan co-produced anime series, also known by the name Mix Master: King of Cards. It is a co-production by Nippon Animation of Japan and Sunwoo Entertainment and KBS of Korea. The story centers on the fantasy and adventure card game, Mix Master, and the transference of this game from a video game to the real world after a scientist's new invention goes terribly wrong. Creatures from the video game called henches run loose upon the real world and it is up to the Mix Master to stop those creatures from causing trouble. All the while, an evil leader from the video game, Prince Brad, causes trouble for them for some nefarious purpose. (Source: Wikipedia)