is an element of Japanese manners by kneeling directly on the ground and bowing to prostrate oneself as touching one's head to the floor. It is used to show deference to the most highly revered high-class person, as a deep apology and to express the desire for a favor from said person.

is an element of Japanese manners by kneeling directly on the ground and bowing to prostrate oneself as touching one's head to the floor. It is used to show deference to the most highly revered high-class person, as a deep apology and to express the desire for a favor from said person.