The Girls were wearing dresses everyone plays hide and seek they were hiding under the girl's dress known to be as a victim.
THIS page was used to be in Legacy of Kakashi Wikia until Smdress is trying to spoil it up.
Thes's are the pictures of the examples
Yes that's Kakashi was under princess Peach's dress, reading Ichi Ichi paradice
Peach's dress could fit so many people under there.
Yoshiegg under Peach's dress
luigi is hiding under Peach's dress.
Poland and Prussia was under peach's dress
Amulet Heart was hiding under peach's skirt
The African girl is hiding under Peach's dress.
Mario came out from under Peach's dress.
Toad is under Peach's wedding dress.
Zidane and Kuja was hiding under Garnet's white dress.