Rainy Neo San Francisco, Theo's plans were steadily underway. Muteki and DJ, who are being pushed by the popularity of Aurora, were having a hard time writing new songs. The two, who came up with the idea of having MC Baby, the legendary Master of Ceremony spoken by Sarah, teach them the secrets of songwriting, grabbed the information that MC Baby should be in the middle of the enthusiasm, and searched for enthusiastic spots in the city. What the two people see when they arrive at the abandoned stadium without any clues.