Tsuyokiss (つよきす, Tsuyokisu?) is a video game that has been adapted into an anime series. The romance story is created by Takahiro (video games) and Yasutomo Yamada (anime series), and focuses on a group of students at a high school and the various romantic attachments that the characters feel for each another.
Tsuyokiss originally began as an visual novel eroge for the PC by video game developer Candy Soft first released on August 26, 2005. A Playstation 2 version of the game called Tsuyokiss ~Mighty Heart~ will be released with erotic elements removed. A fan disc with some minigames for PC named Minikiss ~Tsuyokiss Fan Disk~ was released. The anime based on the original game began airing in Japan on July 1, 2006 and is not adult in content.