There was a mysterious rumor about a drug that was called 'Capsule' that spread between high school students in the city. The demon comes out when drinking it and your wish will be realized, they said. Himeki Azusa returned to Japan after seven years, and learned that Mononobe Kei she once knew was now different, and the fact that he was using Capsule regularly. In order to save Kei, Asuza jumps into Capsule user's world, and learned some incredible facts. That is -- the demon exists, that Kei is called "Demon-hunting Wizard", and the fact that the demon... 『Capsule』 『Kingdom』also『Merciless Queen』―― many keywords that lead to Azusa the truth... Source: Crazy Cake