Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen Dai 5-bu - Megami no Keshin

Ehrenfest experiences a harsh winter following Ferdinand's absence. A betrayal within the former Veronica faction intensifies the urgency of a purge, with Georgine's ambitions likened to the Goddess of Chaos. Rozemyne focuses on her third year at the Royal Academy, striving to overcome loneliness and win the trust of former Veronica faction students to protect them. She encounters a new archnoble librarian from the Sovereignty and begins attending classes for the archduke candidate course, while also pursuing the scholar course for personal goals. Amid these efforts, Rozemyne faces significant changes in her circumstances.