 Hibari Ōzora ( 大空 ひばり , Ōzora Hibari ) is the titular character of Stop ! ! Hibari @-@ kun ! ! . Hibari is a high school student assigned male at birth who looks and behaves as a girl , much to Ibari 's dismay.Ch. 2 , 4 , 8 Hibari prefers being referred to as Ibari 's daughter , Ch . 6 , 8 , 15 and has expressed an interest in having breasts.Ch. 6 According to Suzume , Hibari becomes more feminine after Kōsaku starts living at the Ōzora household.Ch. 8 Hibari show an interest in Kōsaku early on , Ch . 9 and continues to make advances toward him throughout the series.Ch. 17 , 22 , 35 Hibari gets bolder as the series progresses , including openly flirting with Kōsaku at school , Ch . 37 and kissing him.Ch. 18 , 48 , 51 Hibari is extremely athletic and intelligent , in addition to being physically strong despite Hibari 's relatively small body frame.Ch. 5 , 7 , 8 , 22 Hibari is voiced by Satomi Majima . 
 Hibari Ōzora ( 大空 ひばり , Ōzora Hibari ) <a href='drop_aux' title='1'><mark>is</mark></a>the titular character of Stop ! ! Hibari @-@ kun ! ! . Hibari <a href='drop_aux' title='2'><mark>is</mark></a>a high school student assigned male at birth <a href='null_relcl' title='3'><mark>who</mark></a><a href='uninflect' title='4'><mark>looks</mark></a> and behaves as a girl , much to Ibari <a href='null_genetive' title='5'><mark>'s</mark></a>dismay.Ch. 2 , 4 , 8 Hibari prefers being referred to as Ibari <a href='null_genetive' title='6'><mark>'s</mark></a>daughter , Ch . 6 , 8 , 15 and <a href='been_done' title='7'><mark>has</mark></a> expressed an interest in having breasts.Ch. 6 According to Suzume , Hibari <a href='uninflect' title='8'><mark>becomes</mark></a> more feminine after Kōsaku <a href='uninflect' title='9'><mark>starts</mark></a> living at the Ōzora household.Ch. 8 Hibari show an interest in Kōsaku early on , Ch . 9 and <a href='uninflect' title='10'><mark>continues</mark></a> to make advances toward him throughout the series.Ch. 17 , 22 , 35 Hibari <a href='uninflect' title='11'><mark>gets</mark></a> bolder as the series <a href='uninflect' title='12'><mark>progresses</mark></a> , including openly flirting with Kōsaku at school , Ch . 37 and kissing him.Ch. 18 , 48 , 51 Hibari <a href='drop_aux' title='13'><mark>is</mark></a>extremely athletic and intelligent , in addition to being physically strong despite Hibari <a href='null_genetive' title='14'><mark>'s</mark></a>relatively small body frame.Ch. 5 , 7 , 8 , 22 Hibari is voiced by Satomi Majima . 
Hibari Ōzora ( 大空 ひばり , Ōzora Hibari ) da titular character of Stop ! ! Hibari @-@ kun ! ! . Hibari a high school student assigned male at birth look and behaves as a girl , much to Ibari  dismay.Ch. 2 , 4 , 8 Hibari prefers bein referred to as Ibari  daughter , Ch . 6 , 8 , 15 and done expressed an interest in having breasts.Ch. 6 According to Suzume , Hibari become more feminine after Kōsaku start livin at the Ōzora household.Ch. 8 Hibari show an interest in Kōsaku early on , Ch . 9 and continue to make advances toward him throughout the series.Ch. 17 , 22 , 35 Hibari get bolder as tdaseries progress , including openly flirting with Kōsaku at skoo , Ch . 37 and kissing him.Ch. 18 , 48 , 51 Hibari extremely athletic and intelligent , in addition to bbeinphysically strong despite Hibari  relatively small body frame.Ch. 5 , 7 , 8 , 22 Hibari is voiced by Satomi Majima .