When it’s time for school, the player can talk with classmates while searching for clues and tracking down cursed hanafuda cards. The emotion input system lets the player respond to discussions and bond with sub-characters by selecting a feeling. School exploration is done via a menu.[2]
Combat
Dungeons are shown from a first-person perspective. While exploring, the player can trigger commands like "jump" with the face buttons. There is no transition prior to battles.[3]
Plot
The story centered on a group of high school students tracking down cursed hanafuda cards that released demons called the "hidden people"[3] into the human world.[1]
Music
The opening theme "Trump Card" (キリフダ, Kirifuda), composed by Kenichi Tsuchiya and sung by Haruka Tomatsu. The ending theme "Song of Invitation" (誘の訴, Izanai no Uta) is composed by Atsushi Kitajoh and sung by Haruka Tomatsu.[citation needed]
CD Drama
Volume 1 was released on June 23, 2010 and volume 2 was released on July 22, 2010 in Japan by Frontier Works.[citation needed]
