Navy Headquarters, the Ultimate Boxer

In the world of pirates, practice the top boxing and physical skills in all worlds. One punch will shatter mountains and rivers! Dare to make the world collapse with one punch! Don't ask me why I am so confident, just look at who my master is... Sakazaki Takuma, *Nagi Shibafune, Fuurinji Hayato, Iima Yujiro. These are all small scenes! Akuma, Metkai and Saitama-sensei, This is the master! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.