The idea for green onion flavored ginger ale that Mikoto came up with on a whim is chosen as a potential candidate in the Sunlight Beverage new product planning contest. Since Mikoto is still unaccustomed to working at a company, the badminton team arranges a training camp so they can help him. Together they discuss the project as they write up a proposal. And finally, Mikoto opens up to Tatsuru about the traumatic incident he experienced in high school that caused the decline in his abilities.
Y-You just happened to win. 
Don't let it get to your head.
.فزت بمحض الصدفة فقط. لا تغترّ بنفسك
D-Das war reiner Zufall.
Lassen Sie sich das nicht zu Kopfe steigen.
Ganaste por casualidad.
No es algo definitivo.
Me ganaste de coña.
No es algo definitivo.
T’emballe pas
pour une simple victoire.
H-Hai vinto una partita per pura fortuna, 
non montarti la testa.
Foi por pura sorte.
Não fique se achando.
П-просто повезло. 
Не обманывай себя.