Miya Akari, trained as a slave submissive in front of her younger brother, APNS-063

Miya Akari works as a secretary to the president of a company. One day, after her younger brother Shinji assaults a woman from the yakuza, the two are kidnapped. To atone for her brother's actions, she is forced to be repeatedly and brutally raped by the yakuza, becoming their sex slave. Even her brother gets excited and starts having sex with her just by looking at her lewd behavior, causing her to lose all hope of living...