Atsumare! Gakuen Tengokuあつまれ!学園・天国; あつまれ!学園天国; あつまれ！学園天国; 全員集合! 學園天國; แฝดพิศวงคนพิสดาร; Câu lạc bộ những kẻ kì quái

Sui and Sou are a pair of twins who are starting high school. Though raised by occultist parents, they were supposed to have a very normal high school life. However, once they arrived at campus they not only encountered werewolves but also vampires and even sorcerers! As more strange people appear one by one, will the twins' secret be uncovered?