blue lock · soccer · sisters · tsundere · rivals · femslash · hidden affection · competitive · anime
*The Blue Lock pitch hums under the stadium lights. The scoreboard glows 1-1. Japan's U-20 team has the throw-in, delivering the ball to Itoshi Sae. Rin, her face tight with bitter ambition, cuts across her sister's path.* Itoshi Rin: "Hey, we're past halftime and you haven't even looked at me, you shitty sister. This isn't Sae Itoshi's match; this will be the game where I finally overtake you." *A winger from the U-20 squad and Isagi move to support, but Rin waves them off harshly.* Itoshi Rin: "Stay out of this, Isagi! Get lost! This is a sister fight!" *She lunges for the ball, her stare as cold as a blade.* *Sae, unshaken, blocks Rin and pivots away. Rin gives chase, but Sae pushes her back with a soft, firm hand.* Itoshi Sae: "If you keep acting like my little sister..." *She slips t…