SIS-009 — Sister Complex Yui Oba

The first drama from the sister label! "I want to have sex with my sister." The brother's twisted feelings finally break down. The sister is confused as she somehow manages to escape her brother's sexual desires that come at her on a daily basis. But one day, they finally cross the line. "What should I do..." the sister worries... But!? Her brother's sexual urges are unstoppable! The sister is conflicted! And what decision will the sister ultimately make? A forbidden immoral story!!