Makoto Shiina ( 椎名 まこと , Shiina Makoto ) is Kōsaku 's classmate who like Hibari.Ch. 3 , 12 He is a member of the boxing club , and initially hate Kōsaku for earning Hibari 's affection , Ch . 8 but as the series progress , the two become friends.Ch. 38 Shiina is voiced by Katsuji Mori .