S1OVA5 Rei, Theory, and Speedo!

Rei, Theories, and Speedos!! (怜と理論とブーメラン！ Rei to Riron to Būmeran!) is the fifth original unaired short movie that came with Free! Vol.5, which was released on January 08, 2014.

Synopsis
Rei is worried as he does not have a swimming suit except for the one he had when he was in elementary school. Just as he was worrying, Nagisa came in showing him a bunch of swimming suit and asking him to choose one as he had to take responsibilty due to what he said before Rei joined the club. However, Rei cannot made his mind thus, Nagisa called Makoto and Haruka to give advice, in the end, Rei choose a speedo due to what Makoto had said.

Characters
List of characters in order of appearance: