Rei Ichijoudani, a meticulous second-year student at Tensho Gakuen, balances his role as Beautification Club president with a sharp eye for detail, standing 174 cm tall and weighing 65 kg. Born April 22nd under blood type A, his appearance is striking: dark green hair frames his face with a swept-back fringe, revealing reddish-orange eyes intensified by a subtle beauty mark below the right one. He dresses in a crisply buttoned navy jacket layered over a white shirt and light blue tie, paired with green-checkered trousers and sleek, laceless shoes accented by gray heels.

Renowned for his composed leadership, Rei commands respect from underclassmen who admire his reliability in upholding the school’s pristine environment. Beyond his duties, he unwinds through gaming sessions, often joined by classmates Chiguma and Minori. His interactions reveal layered connections—he openly reveres Mitsuki Akika, praising his perceived perfection, while his once-close bond with Takato Kiyosu now simmers with tension over clashes regarding Takato’s commitments as Swimming Club president.

Embedded in his name, "Rei" evokes the grace of an antelope, and "Ichijoudani" weaves together the characters for "one," "ride," and "valley"—a subtle nod to his poised yet grounded nature.