正せい常じょう位いじ字FuriganaMeanings1nounmissionary positionRefers specifically to the sexual position where one partner lies on top of the other, face to face.正せい常じょう位いは最もっとも基き本ほん的てきな体たい位いの一ひとつです。The missionary position is one of the most basic sexual positions.
