四十八手 後ろづけ
男は仰向けで、脚を頭の方へ曲げる。女は男の尻に腰掛ける要領で、そのまま挿入。
The man lies on his back, raises his legs high in the air and brings them towards his head. The woman turns her back on him, lowers her body and almost sits on his ass as his penis penetrates her.