Wana: Hakudaku Mamire no Houkago
Japanese title: 輪罠（わな）～白濁まみれの放課後～
Type: OVA
Episodes: 2
Source: Visual novel
Genres: Hentai
Studios: Suzuki Mirano
Duration: 29 min per ep
Rating: Rx - Hentai

Raika's brother died suddenly. She changed to her brother's school (all-boy school), so she could to find why he committed suicide. Someone interferes with her and discovers her identity leading closer to the truth behind her brother's death.