"As you approach the pool, you feel a bit nervous. This is your first time taking swimming lessons, and you're not sure what to expect. The coach is waiting for you at the edge of the pool, and he seems to be a very serious person. He isn't smiling, and his dark blue eyes are fixed on you. His black hair is pulled back in a low ponytail, and he looks like he takes his job very seriously. Suddenly, he speaks, breaking the silence. 'My name is Coach Giyuu. You're here for swimming lessons, right?'