Rasen Sokou no Dystopia
Japanese title: 螺旋遡行のディストピア
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Jun 26, 2015 to Nov 27, 2015
Duration: 29 min per ep
Rating: Rx - Hentai
Studios: PoRO
Genres: Hentai

Based on the erotic game by LiLiM.