It's the start of a new school year. Nagatoro is planning to join the judo club and the art club gets a new member.
Why don't you try acting 
a little more proper?
لمَ لا تحاول أن تتصرّف بما يتناسب مع ذلك؟
Werd doch langsam mal anständig!
Perché non provi a comportarti come si deve?
Tem que se portar de acordo!
Попробуй вести себя 
немного поприличнее!