Cosplay Change: Pure-kei Joshidaisei no Kiken na Seiheki
Japanese title: コスプレチェンジ ~ピュア系女子大生の危険な性癖~
Type: OVA
Episodes: 4
Source: Manga
Genres: Hentai
Studios: Mousou Senka
Duration: 20 min per ep
Rating: Rx - Hentai

Aima Imoko is a young college student with a hobby of cosplay. Luckily there is a cosplay shop near her where she would like to try on a few outfits. On site she meets a hardcore otaku shop owner who also cosplays. Both are deep in their roles and she is a bit revealing, what are they supposed to do?