Ranma 1/2: Byakuran Aika

This is the only Ranma game on this platform and was only released in Japan.
It features an original story centering on a new character, Arisa Nanjo. After Ranma Saotome's friends go missing, it is up to him to track them down.
The game is a video novel which involves the player, acting as Ranma, selecting from a series of choices, such as what to do or say to someone. The results are then played out in an animated sequence. It uses a Rock-Paper-Scissors-style battle system.
The characters are voiced by the original cast from the Anime series.