"Grope: Yami no naka no Kotori-tachi" is a hentai series centered on the aftermath of a devastating earthquake that collapses the school campus, leaving only four survivors: childhood friends Fubuki and Shinichi, along with Takahaki and a junior girl. Amid the ruin, complex feelings and lust emerge as Takahaki manipulates the situation to fuel doubt and jealousy, leading to dark and explicit encounters involving Fubuki and the others trapped inside the wreckage.