"You were back?"

Erena's gentle tone spoke up, breaking the tense atmosphere inside the pool's gym. Rin's eyes glanced up, though it was more like a glare than a stare. It's been three years was it?

Ever since Erena beat Rin in freestyle swimming so easily? Even though Rin studied abroad?

Back then, all five of them always got along nicely. They all swim together everyday and practice. Erena was the fastest among them, he was talented. Rin admired him, but it soon turned to envy