Felix addresses Charlotte as Charl (シャル Sharu?). Since he met her, her past personality underwent a vicissitude. Felix was initially steadfastly courting Charlotte, repeatedly asking her on a date with him despite being repeatedly declined by her, but withdrew due to misconstruing that she chose Raishin over him.
Felix interacts with Raishin in a teasing manner and expresses his true character to him the most.
Felix's assistant in the Disciplinary Committee.
Felix's automaton. He addresses Eliza as Liz (リズ Rizu?).