My sister is my one and only internal ejaculation sex toy - Marina Ikeda DASS-663

[Sibling NTR] Tuesday has always admired a strong, reliable, and gentle older brother. However, after a long-awaited reunion, she discovers that he has changed his name to "Marina" and is living as a woman. Tuesday feels intensely shaken and jealous of Marina's happiness with her lover, Chizuru. She drugges her boyfriend and forces Marina to have sex. During their first encounter, both are overwhelmed by excitement and a sense of transgression. In their intimate, close-up sex, both experience physical and emotional healing, culminating in an orgasm. "Because my older sister is my sex toy..."