According to Japanese folklore, if you won't destroy the thing that have seen service, it will come to life and turn into yokai. It's called Tsukumogami - "spirit of the old tool".
One of such long forgotten yokai breaks free, leaded by the appetite for revenge to the descendants of thouse who sealed him, starving for women Yin energy. Will and ordinary schoolboy be able to save all his friends?
Panty & Demons is a match-3 style puzzle game with a visual novel style of presentation and a little sprinkle of RPG elements.