Realizing the limits of what a family of teenagers can do by themselves, Tanisu seeks help on the mainland with his mind-reading sister Suishi.
Teach me something I don't already know.
فلتعلّميني شيئًا لا أعرفه مسبقًا
Enséñame algo que no sepa.
Enséñame algo que no sepa.
Apprenez-moi des trucs
que je connais pas.
Insegnami qualcosa che non so.
Me ensina alguma coisa que eu não sei.
Дайте материал, 
который я ещё не знаю!