onnanoko-zuwari 女の子座り (How Anime Girls Sit on The Floor)

In Japanese, onnanoko-zuwari 女の子座り, meaning "girl's sitting," refers to a way to sit on the floor. Typically, this is synonymous with W sitting (petan-zuwari ペタン座り), but sometimes it refers to side sitting instead (yoko-zuwari 横座り).

Left: Amamiya Elena 天宮えれな
Right: Yuugiri ゆうぎり
Anime: Star☆Twinkle Precure, スター☆トゥインクルプリキュア (Episode 10)
Anime: Zombieland Saga, ゾンビランドサガ (Episode 6)

• Left: W sitting, typically what onnanoko-zuwari refers to.
• Right: side sitting, which is sometimes called onnanoko-zuwari, too.