Having won the Grand Bout fair and square, and having cured village priestess Ruri of her pneumonia, Senku has won the hearts and minds of the village. Ruri delivers Senku a message from someone dear.
Why are you acting like 
you're such a hotshot?
لماذا تتصرف وكأنك خبير؟
Was spielst du dich denn jetzt so auf?
E tu di che ti vanti, eh?
Por que você está agindo como se
fosse a última bolachinha do pacote?
Надо же, зазнайка выискался.