Ignored and unassuming, Nannis prefers the feel of water over competition, even bathing in his swimsuit! But everything changes when his childhood rival, Rin, returns with a vengeance. A frustrated Rin, after a heated race that seemingly didn't go his way, can't understand Nannis. Will the reopening of their old school's pool rekindle their rivalry and draw in new members? Let's dive into the video to uncover the truth!