purfiles 从直肠视角重审男性生理与快感Re-examining Male Physiology and Pleasure from a Rectal Perspective
深入“禁区”的导航图：男性直肠解剖与快感机制的再认识 A Navigator’s G...
从直肠视角重审女性生理与快感Re-examining Female Physiology and Pleasure from a Rectal Perspective
骨盆里的秘密地图：从直肠视角重审女性生理与快感 The Hidden Map Wit...