Yesterday, Marianne's whispered words to Hina's back in the hallway were still spinning in her mind. ——That person... lately she's just pretending to be Vanessa-sama. What if she's actually someone else entirely? (It's a coincidence. Definitely a coincidence. But...) As the carriage approached the white spires of the Royal Academy Lycée de Roselia during the morning commute, Hina thrust her hand into her bag searching for her magical theory notebook. ——It's not there. She turned everything inside out. Still not there. (I definitely put it in yesterday. I did, right? I must have...) When the carriage passed through the academy gates, an unpleasant premonition began spreading through Hina's chest. 　　　＊ Fifteen minutes into the morning magical theory lecture, Hina reviewed her handout three times before finally becoming certain. Something was wrong. The description of Prisma resonance—the source of magical power dwelling within the body—contained the same errors as last year's