Daiki Ninomiya (二宮 大輝 Ninomiya Daiki, known as Dice in the Tokyopop version) is the ace and current student of Todo School and is one of the better drivers of the series. Driving a yellow Civic Type R (EK9), Daiki races against Takumi of Project D in a downhill battle. His dad is a race car driver. He excels in braking, being able to release the brake pedal in the perfect spot during a corner, every time. Daiki is also one of the school's all time three best downhill drivers. He is also good friends with Smiley Sakai and Tomoyuki Tachi.
| Car | Honda Civic Type R (EK9) |
| Year | 1998 |
| Plate | 56-838, classification 50, 1-248, Clasification 59 (Initial D Arcade Stage Zero) |
| Colour | Sunlight Yellow |
| Custom Parts | Spoon grille, Spoon wing, EuroR muffler, Spoon mirrors, Volk TE37 Super Lap Black Edition wheels |
