I'll/CKBC(2002)

I'll/CKBC is a sports anime series following two former basketball rivals forced to become teammates. Akane Tachibana and Hitonari Hiiragi were once bitter opponents in high school, each preventing the other from reaching the top. When Hiiragi transfers to Kouzu High School, the pair must set aside their rivalry and work together. As they prepare for a crucial match against Kokutai, tension builds over whether they can truly reconcile their differences or if Hiiragi will abandon his new team to face Akane as a rival once more. The series explores themes of competition, growth, and the possibility of friendship forged through shared goals.