One Style Final!.Rin reveals to Aiichiro Nitori the story of his late father who aspired to become an Olympic swimmer, but died when Rin was very young. Rin adopted his father's dream, adding that Haruka is the only thing standing in his way. On the day of the tournament, Gou reveals that both Haruka and Rin are competing in neighboring lanes due to having similar qualifying times. Haruka encounters Rin at the lockers where their rivalry escalates. Rin wins the race and boasts to Haruka that he will never swim with him again.