背番(ばん)号７番(ばん)が彼(かれ)の弟です。
Uniform number No. 7 is his younger brother.
stature, height, back, behind, disobey, defy, go back on, rebel
ハイ / せ
turn, number in a series
バン / つが.い
nickname, number, item, title, pseudonym, name, call
ゴウ / さけ.ぶ