Manga panel is from Chapter 161 of Hajime no Ippo, showing Ippo's first in-match use of the Gazelle Punch against Volg.
Zuikaku-chaaaan.The heck is this advice!!?Aye-aye.Gazelle punch is
to hit like an antelope, or so I heard.Hiryuu-sanHiryuu-sanReadReadHiryuu-sanHiryuu-san