KEKKO KAMEN OSHIOKI PARADISE NO MAKI
1 of the 3 female cohorts of the protagonist who rape various students in the school.
Webmaster confession: This particular game has a very tedious method of progression, made even harder for a non-Japanese speaker. Because of this, I do not yet know the name of this anti-heroine (a little game hacking got me these images).
This anti-heroine and the game "けっこう仮面 おしおきパラダイスの巻" are copyrights of Dynamic Productions.