バック 立ちバック 背面側位 後背位 後ろ矢筈 腕掴みバック 髪掴みバック
Sex from a rear position. This includes doggystyle (sex on all fours), the prone bone position, sex while bent over, standing sex from behind, and any other position from behind.
If there are multiple people conducting this activity at the same time it may also be considered a love train.
The following tags are aliased to this tag: from_behind_position, penetration_from_behind, and taken_from_behind (learn more).
This tag implicates sex (learn more).
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