Early in the morning, Kirihito orders the club members to harvest seaweed and do many other strange things, like standing on an unsteady boat to improve their balance. The club members admire Kirihito's methods, but have doubts about his experience and abilities. They eventually confront him. In order to demonstrate his coaching abilities, Kirihito declares that he will have the rookie Mitsuhashi Kei beat the other club members.
I know what you've been 
doing after practice.
.أعرف ما كنت تفعله بعد التمرين
Ich weiß, was du nach
dem Training alleine treibst.
Sé lo que haces
después del entrenamiento.
Sé lo que haces
después del entrenamiento.
Je sais ce que tu fais seul,
après l’entraînement.
So cosa fai una volta finiti gli allenamenti.
Eu sei bem o que você faz, depois dos treinos.
Я знаю, чем ты занимаешься
после тренировок.