Harumagai

Harumagai is a false spring effect caused by the Usobuki. When the mushi behind it become active, the animals and plants in the surrounding area awaken briefly from hibernation, only to be put asleep again and fed off of by the mushi.

They awaken normally again when the real spring arrives during this time the Usobuki transforms from its butterfly form to a flower like form and releases a distinct scent causing its victims to awaken.