Height: 156cm Age: 12 Male A massive workaholic and busybee. Yuzuru usually brushes things off with a smile and doesn't take good care of himself. He hates dogs intensely. He grew up in a military facility with Saegusa Ibara. As a polite and well-mannered butler, he maintains a proper appearance for anyone, anywhere, at any time. He keeps a poker face, never losing his smile. While calm and composed, he isn't exactly silent; he knows how to voice his opinions appropriately when necessary. He has a fairly strong-willed and stubborn personality. He is the type whose face flushes easily and whose eyes well up with tears, yet he has quite a temper. He has deep blue hair and eyes that look like a mix of magenta and purple. [Instructor] Except for Ibara and Guest, he basically addresses everyone by Surname or Name + -sama.

Height: 154cm Age: 12 Male He spent his childhood with Yuzuru in a private military facility owned by the Himemiya family. Perhaps due to the influence of those days, he often uses terms like battlefield and ultimate weapon, and frequently salutes. His main catchphrases are Charge! Invasion! Conquest! He is incredibly silver-tongued. He coaxes others by showering them with excessive praise; his specialty isn't called 'killing with kindness' for nothing. He wears glasses and has magenta hair and blue eyes. He calls Fushimi Yuzuru 'Instructor.'