|Romanized Title:||Ashi No Ura No Himitsu|
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- Characters Introduced: None
- Locations Introduced: None
- Techniques Introduced: None
- Mentioned Boxers: None
- Title Page Character(s): Makunouchi Ippo
Takamura points his toes, they are very important for a boxer, since to shift his body he must rely on his toes. He explains that is also the reason, Ippo can not keep up with the group. After that, Ippo and Kimura begin a training session involving tennis balls to improve Ippo's strength.
Takamura and Kimura, who get rejected by girls, laugh at Aoki when he falls in deep waters, for trying to pick up girls.They mention that he doesn't know how to swim, and Ippo jumps to his rescue. Aoki grabs on to Ippo causing the latter a leg-cramp and leaving him no choice but to knock the frantic former out. Once Aoki regains consciousness, he goes after Ippo, for "almost killing him".