"It's summer! It's the beach! It's a summer retreat!" The Supernatural Studies Club holds a summer retreat at the club house to find volume two of the notebook containing the legend of the witches, but Yamada's spirits plummet as he is forced to take supplementary lessons and exams with Otsuka Meiko, Tsurukawa Hideaki, and Kameda Mitsuru from the Manga Research Club.
If you get it, then fix it right away!
Dann tu was dagegen,
wenn du es schon weißt!
¡Si entendiste, remédialo!
¡Si lo has entendido, remédialo!
Si tu connais le problème,
corrige-le !
Se lo capisci, allora risolvi il problema!
Se você entendeu, então dê 
um jeito nisso agora mesmo.
Раз сам знаешь, так давай исправляй!