Forte Sapphire is a former 2nd year student at the IS Academy before joining Phantom Task to be with her lover Daryl Cayce.
Forte is a petite young woman with dark blue hair that is tied in a long braid.
Forte is a laid back person who looks like a "I do what I want" type of person. She has a great deal of confidence in her's and Daryl teamwork, especially their invincible wall, Aegis. Compared to Daryl, Forte is more emotional, having cried when her lover revealed she was a member of Phantom Task and was embarrassed to kiss her lover in front of someone else.