Badminton team member Mizushima Ryo dreams of attending Yokohama Minato High School with the player he admires, but he had given up on that dream because he thought it was impossible. But one day, the high school's badminton coach Ebihara visits Ryo--
Oh, uh, in math, not badminton.
.في الرياضيات وليس تنس االريشة
Nicht im Badminton,
sondern in Mathematik.
En matemáticas, no en bádminton.
En mates, no en bádminton.
C’était mon prof de maths,
pas de badminton.
Beh, non per quanto riguarda il badminton.
Parliamo di matematica.
Não de badminton, de matemática.
Не в бадминтоне, он 
преподавал математику.