Men's Swimming Club Theatrical Version: The Eternal Medley Promise

A boy who dreams of becoming a competitive swimmer and stepping onto the world stage. Rin Matsuoka. After returning from Australia, he joined the Samekara Academy swimming club with his strength and became an important member. The former best rival and partner Sousuke suddenly appeared, and the two were happy to be able to swim together again, but no one knew the real reason behind Sousuke's decision to spend his last year of high school life at Samera Academy... This is the story of Rin, who sets out to pursue his dream and continues to swim, and faces the promise he made with his unique friend.