The Invisible Man from Seventh B

Gray is an ordinary thirteen-year-old teenager. He studies well, but his younger brother is an honor student. Gray has one friend, while his brother has half the class as friends. Moreover, Lyosha is popular with the girls. And even when the brothers start extreme cycling, Lyosha makes it to the finals in the very first competition, whereas Gray... He would live in the shadow of his more successful younger brother if it weren't for his infatuation with the star of the sports team - Maya Samokhina