The main character, sweet and naive girl named Rick. It is only just starting to build their relationship with a favorite childhood friend, a guy named Naoto. However, the events that will soon take place in the life of Ricky could disrupt her plans. Light and darkness came together in the battle for Rick, who has a unique ability - making the "Angel of Darkness" by the name of Djibo. However, in order to awaken this ability Rica should have sex. Here's the handy Naoto.