Matsouka Rin has finally moved on from his first love, Nanase Haruka, and swears he wouldn't let anyone get close to his heart, or his place as a swimmer. He returns back to Iwatobi from his abroad trip at Austrailia, attending Samezuka Academy, when he sees an old friend, Yamazaki Sousuke. Their both happy to meet each other again, but Rin seems off to Sousuke... What had happened after Rin left him? Sousuke is determined to find out now. [READ COPYRIGHTS ANS SUCH (first chapter) FOR WARNINGS.]