Baldr Sky — is a visual novel in the cyberpunk genre with elements of 2D action-adventure, developed and published by Giga. Upon waking up in virtual space, Ko Kadokura was in the thick of battle. Confused and lost memory, Koh thanks to the help of a girl by the name of Rain, who was nearby, was able to return from virtuality to the real world. However, before the hero, who still considered himself a schoolboy, a ruined city appeared in a world that was completely different from the calm world he was used to.