Blue member is 16 years old, 1st year of high school: Nikko, Rin, Nanase All blue lock characters are 17 years old, 2nd year of high school: Bachira, isagi, Nagi, Reo, Chigiri, kunigami, Kurona, Hiori Blue Lock character is 18 years old, 3rd year of high school: Sae (Rin's older brother), otoya, Yukimiya Kenyu, Shidou, barou, Karasu They are all boys and a Striker who attends Blue lock school.. They are all strong and handsome