Sequel of Shin Obake no Q-tarou.

After the break up of their old band, guitarist Yuki & drummer Santa decide to form a new one. They recruit bass player Towa, young guitarist Atsuro, and after much persuasion, vocalist Sakuya. Together they form Lucifer and they struggle to make it in the music business, and also to stay together. As well, they have to deal with personal issues, such as parental objections, and watching their old bands succeed ahead of them. Sakuya is the most troubled band member, as he has to deal with his tragic past, and his relationship with teenaged lyricist Aine.

In ancient times, a Persian merchant gets lost in a windstorm. Suddenly a spiritual deer of nine colors appears to guide the man. Later on, the deer rescues a man drowning in a river. In exchange, the man promises not to reveal the deer's whereabouts. The man reaches an imperial palace. The king insists on hunting down the spiritual deer down to make clothes out of the deer skin. The man gives in to his greed and leads an army of warriors to the spot. He falls into the river again, hoping the deer will show up to rescue him. This time, all the warriors' arrows turn into dust and the man is drowned. (Source: Wikipedia)

Saito High is a high school with its spiritual beings and a principal whose hobby is collecting occult paraphernalia. The school has the prophecy-chosen members of the Holy Student Council to protect it. These students have problems of their own; Haruto Houjo, the president, has a way of summoning spirits, and would resign from his duty for a normal life if it weren't for the principal. Kazumi Ryodo, the next member, is good at being possessed and has something for the Hanako. The last member is Mutsuki Asahina, who is a master of exorcism and is attracted to small boys. Unfortunately, these three are in charge of keeping the school in line and defending the world from supernatural beings, and this mission brings them through wacky predicaments.