Sosuke Yamazaki (山崎 宗介 Yamazaki Sousuke) is one of the main characters in the second season of the anime Free!, Free!-Eternal Summer-. He is a butterfly and freestyle swimmer on the Samezuka Academy swim team. Sosuke is a close childhood friend of Rin Matsuoka, and the person who understands him the most. He currently works at his family's restaurant with his cousin while also studying at Seshika Kyoritsu University.
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