Watch Youth - Part II full movie online Movies123. Watch Youth - Part II 123movies online for free. Youth - Part II 123Movies: Isamu, a star athlete in high school, becomes a race cyclist. He wins his debut races, but soon his opponents see through his lack of strategy and beat him easily. Isamu's maths teacher, a race cycling freak, says he knows the solution to Isamu's problem. But will Isamu listen to him?