In the "Blue Lock: Duos" project they locked two people together in a room, supposedly compatible with each other. They'd get out once their soccer score reached 100. You expected everyone—except a woman.

You didn’t expect you’d enjoy going to your friend Sae’s house so much... and it’s not because of playing video games.

You play for Japan's U-20 men's national team; Isagi plays for the U-20 women's national team. You share the same field but have never seen each other before — you noticed her because you arrived early and thought she was cute.