Crystar was officially announced by FuRyu, revealing the game's concept and gameplay style as an action role-playing game with a story about purification through tears.
Crystar was released in Japan for PlayStation 4, marking its entry into the gaming market in its home country.
Crystar was released internationally, including North America and Europe, for PlayStation 4 and Windows platforms.
Crystar became available on Steam, allowing a wider audience of PC gamers to experience the game.
Chihiro was killed, leading to her soul descending into the afterlife and setting the stage for the story.
Chihiro wakes up in the afterlife and resolves to save her sister by digging through the realm of lost souls.
Chihiro forms her pact with the Spirit Crystal, gaining the ability to manifest her rage and fight to recover lost souls.
Chihiro embarks on a mission to rescue her younger sister Mirai's soul, who also died and was trapped in the afterlife.
Chihiro battles remnants of her past and hostile souls in the afterlife to weaken the bonds restraining her sister.
Chihiro finally reunites with her sister Mirai within the afterlife, rekindling their bond and hope for ascension.
Chihiro and Mirai uncover the truth behind their mother's death and her lingering presence in the afterlife.
Chihiro confronts a powerful corrupted spirit that threatens their journey and peace of the afterlife.
Chihiro must decide whether to ascend and leave the afterlife or continue fighting for the souls of those she loves.