Overtake!

Main characters

• Haruka Asahina (浅雛 悠)
• A Formula 4 driver with Komaki Motors who is a quiet high school student.
• Kouya Madoka (眞賀 孝哉)
• A freelance photographer. He finds himself in a slump due to a certain reason.

Komaki Motors

• Kotarou Komaki (小牧 錮太郎)
• [1]
• The mechanic of Komaki Motors. He grew up like a close brother to Haruka.
• Futoshi Komaki (小牧 太)
• [2]
• The team owner of Komaki Motors, a small privateer team. Father of Kotarou.

Belsorriso

• Satsuki Harunaga (春永 早月)
• [1]
• The first driver of the Belsorriso's F4 team.
• A cheerful and talented driver who already has many female fans. His talent is highly praised, and Ena is developing him to move up to F3 and then F2. He admires the former F1 driver James Hunt.
• Toshiki Tokumaru (徳丸 俊軌)
• [1]
• The second driver of the Belsorriso's F4 team.
• He is considered to have the same potential as Satsuki. But having crushed into Haruka's car during his driver's audition by the team, it led to him being hired as Satsuki's support driver. Thus, he is not satisfied with the role, and has a grudge against Haruka.
• Alice Mitsuzawa (蜜澤 亜梨子)
• [1]
• A grid girl of Belsorriso. She admires Satsuki but is too shy to talk with him without being embarrassed.
• She is a childhood friend of Kotarou and attends the same high school as him and Haruka. Thus, she also supports Komaki Motors.
• Kyousuke Ena (笑生 教典)
• [2]
• The team owner of Belsorriso.
• Though the team itself is focused on the Super GT's GT500 and GT300 classes, Ena is passionate about developing young drivers and leads the F4 team himself.
• Also, he highly appreciated Kouya's abilities as a photographer, and kindly informs him about F4.

Others

• Saeko Yukihira (雪平 冴子)
• The chief editor of "Monthly Kyouka", a fashion magazine for women. She is the ex-wife of Kouya, and helps him recover from his trauma by supporting him with offering him work.
• She introduces "Mikazuki", a beverage company, to Komaki Motors as a sponsor.

Episodes