AP-028 Gang rape by strangers? Having sex with an unaware younger brother? Forced incest Sister chooses forbidden sex to save her abducted brother

My sister was suddenly called out for kidnapping her younger brother. There are strange men and the tragic figure of my younger brother, who has suffered a wound, has been blindfolded and deafened by headphones... And the condition to help her brother, will you be gang raped by men? Or is it incest with her brother, who is unaware of her sister's existence? Forced to make the ultimate choice, the answer her sister chose is forbidden sex.