Collect illustrations of?vampire??Over the course of 10 seconds, the illustration changes somewhere.If you can figure it out, you can save the illustration to your iPhone's photo album![Character]Kamiki SakuyaYagumo HomuraHinamori NagiHiiragi YuduruHojo Kureha... And more?Select between three difficulty modes: EASY / NORMAL / HARDToo difficult? Try the "HINT" button located at the bottom left. By pushing it, a section of the illustration which is NOT changing will be greyed out for you.As you can save cleared illustrations to your photo album, you'll be able to set the illustrations as wall paper in your iPhone's settings.Illustration artists (in Japanese):??