In the back alleys of Veles, the city of learning and art, Lyle quietly runs a painting forgery shop. To such a Lyle, Rudolf, a student of the prestigious Slousen Academy, came to visit. Rudolf's request was for help with the entrance examination for the academy's influential art Salon, the "Kayoukai." Lyle, who has reasons for not wanting to be involved with the Kayoukai, tries to refuse, but ends up accepting the request in order to protect an employee's blunder……? Reflecting the hearts hidden in allegories, a painting x Mystery of boys and girls.