Delusional Investigation of a Love Letter

One day, two students, a guy named Iwasaki and a girl named Asano, met on the school rooftop. There was something mysterious in Asano's smile and eyes, and something strange behind Iwasaki's words. What are they hiding? As you unravel the secrets of the school's love stories and the mysteries surrounding androids and robots with the four members of the Mystery Club, you may discover the true purpose of the club, understand the motives of some students, and learn what's really going on behind the curtain.