Psycho Soldier is a platform game developed by Japanese software company SNK that was originally released in 1986 and internationally in 1987. It is somewhat of a sequel to Athena released a year earlier, Psycho Soldier continues the adventures of Athena, and is noteworthy for being the first video game with a vocal in-game soundtrack.
Athena is a modern day high school girl in Japan. She teamed up with her friend, Sie Kensou, to fight in the name of justice. In Psycho Soldiers, she was one of the “heroes of light” who defended the world from the Shiguma forces.