Satoru Kasahara

Satoru Kasahara (笠原 悟 Kasahara Satoru) is a minor character in the anime series a Free! who appears in an Original Video Animation following season 1. He is one of three Iwatobi High School students who come to Tokyo as representatives at the Annual High School Mascot Competition. The contest features mascots from different schools across the country participating in events, one of which is sumo-style wrestling in life-sized mascot costumes. Satoru is a member of the trio responsible for bringing the Iwatobi-chan costume and participant to the event.

Appearance
Kasahara is slightly taller than average height with a slender build. He has dark purple hair swept to one side and lavender eyes. In the OVA, he is seen wearing a brown polo shirt and blue trousers. Over this is worn a pink haori trimmed with yellow and an image of Iwatobi-chan on the back. At the tournament, he wears an Iwatobi-chan cap. He is somewhat dour when the group runs into Makoto Tachibana, but is equally determined to have the Iwatobi High School alumnus participate in the contest. While watching Makoto successfully defeat his opponent, his demeanor changes to excited and happy.

Story
In Tokyo, it's time for the annual High School Mascot Competition. Three students from Iwatobi High School are in town with the required life-sized Iwatobi-chan costume. They are excited, but distressed, because the beak is missing. When Makoto runs into them and they learn of his Iwatobi history, he is manipulated into wearing the costume and competing in the sumo-style wrestling contest between mascots. Meanwhile, Haruka Nanase happens to find the missing beak when he accidentally steps on it while taking a walk. Realizing what it is, he heads to the contest venue where he meets the students and Makoto. There, he convinces a reluctant Makoto to defend his alma mater's honor, then stays to cheer him on to victory.

Trivia

 * His seiyuu, Kazumasa Fukagawa, also voices Sanenao Inada.