Sakuragi, a student in high school, was moved from a junior high school with 50 girls. To get closer to the beautiful Haruko, he plays basketball for his school. Akagi, the squad captain and Haruko's brother, requests that Sakuragi undertake fundamental exercises. Sakuragi, however, really enjoys performing slam dunks. Additionally joining the crew and leaving their gang are the criminals Mitsui and Ryouta. Will Akagi treat Sakuragi harshly and can he win over Haruko's heart?