"Utsukushiki Emono-tachi no Gakuen," also known as "Sin Sorority," is a two-episode OVA series released between October 21, 2001, and January 25, 2002.
In Episode 1, viewers are introduced to Asuna Sugihara, an ambitious college student eager to make new friends and embrace the excitement of university life. Her aspirations take an unexpected turn when she is coerced into joining an enigmatic sorority that indulges in erotic and taboo activities. Asuna is compelled to participate in a series of provocative and debauched acts, guided by her seductive sorority sisters who mentor her in the arts of lust. The episode delves into themes of manipulation, the loss of innocence, and the exploration of forbidden desires within an academic setting. The animation is notable for its explicit content, detailed character designs, and the portrayal of intense, mature themes, catering to an adult audience. "Utsukushiki Emono-tachi no Gakuen" Episode 1 sets the stage for a provocative narrative that challenges societal norms and delves into the complexities of human sexuality.