Mahouka Koukou no Rettousei - Ichijou Masaki Tenkou-henNew魔法科高校の劣等生 一条将輝転校編; Mahouka Koukou no Rettousei - Ichijou Masaki Tenkou-hen; The Irregular at Magic High School - Ichijou Masaki's Diary Arc

A terrorist bombing strikes the Ten Master Clans Conference. In order to investigate the incident, Ichijou Masaki, the eldest son of the Ichijou family, one of the Ten Master Clans, known as the Crimson Prince, temporarily transfers from Third High School to First High School. This also means becoming classmates with the goddess he admires, Shiba Miyuki. A spin off from the main story of Mahouka Koukou no Rettousei Shizoku Kaigi-hen