Kay has a bright and optimistic personality, using her positive outlook to lead the team. She believes that fair play is paramount in Sensha-do and that underhanded tactics are unacceptable. After the battle with Ooarai Girls' Academy, she apologized to Miho Nishizumi for the radio interception incident.

A girl with very short hair and a sharp, piercing gaze. While she gives off a boyish impression, she is quite well-endowed, though perhaps not as much as Kay. As the second-in-command of the powerhouse Saunders University High School, she first appeared when she spotted Yukari Akiyama attempting a covert infiltration, noting she was an "unfamiliar face." In matches, she commands a Firefly, boasting the highest firepower on the team, and accompanies the main force led by Captain Kay. While she didn't have a major role in the first half of the match, Kay's deep trust in her was evident when she specifically called her out, saying "It's your turn," as part of the four-tank detachment sent to rescue Alisa's M4A1 flag tank after their radio interception strategy backfired.

The vice-commander of the Saunders University High School Sensha-do team. She is the team's number three and strategist, following Kay and Naomi. She has reddish-brown hair tied in short twin-tails, is short in stature, and is often seen wearing a blue backpack. Before the match against Ooarai, she visited the Ooarai team with Naomi and showed them to the food trucks. She seems unable to keep up with Kay's boisterous and cheerful energy, often looking on with deadpan eyes as Kay laughs hysterically at Anzu Kadotani's puns. Rumor has it she has an unrequited crush on a boy named Takashi...