It's Kanna's sports festival. However, when she learns Miss Kobayashi is too busy at work to come, she sulks. Miss Kobayashi wonders why she'd want her to come so badly when she isn't Kanna's parent, but Kanna already views her as one. Even Takiya tells her, "You should decide based on if you want to go, not if you can go." Finally, the day of the sports festival arrives. As a dragon, Kanna should have overwhelming physical prowess, but...?!
Shouta-kun, your older 
sister's really incredible!
شوتا-كن، أختك الكبرى مدهشة حقّاً
Deine Schwester
ist echt der Hammer!
¡Shouta-kun, tu hermana es increíble!
¡Shouta-kun, tu hermana es increíble!
T’as vraiment
une sœur du tonnerre !
Shouta, la tua sorellona è davvero fortissima!
Shouta-kun, a sua irmã é mesmo incrível!
Сёта, твоя старшая сестрёнка и правда нечто!