Buy Bios Ex: Yami no Wakusei PC key

Bios Ex: Yami no Wakusei is a visual novel set in Sapporo in 1997. Eiza wakes in a jail cell with no memory beyond his name and the certainty that he is not a terrorist. The government accuses him of bombing a university in his hometown, and the public, media and police blame him. He faces a death sentence unless the Ori Asylum determines that he was mentally unstable at the time of the attack.

Eiza's investigation

Sent to a psychiatric hospital in Sapporo for evaluation, Eiza finds himself in a suffocating reality that makes him question everything he has been told. As mixed memories and inexplicable events complicate his search, he must investigate who he is and what he has done to escape his situation.

The girls and their stories

Eiza meets three girls who change his life: Shizune, an innocent girl with a mysterious sketchbook; Nao, an alluring vice-director; and Supra, who has sad eyes. The story has four intertwined routes, each leading to a different ending, and lets you develop relationships with the three girls.

Story and soundtrack

The visual novel contains more than 50,000 words. Its soundtrack uses the Ym2608 sound chip.