After finishing their final exams in the basic subjects, the girls are only allowed a moment's relief before being told they're taking a "special happiness test!" Even farther underground the gym's basement facility they once visited, the girls are subjected to a virtual exam!
This time we'll be going even farther down.
سنتعمّقُ أكثر هذه المرّة
Diesmal geht es noch weiter hinunter.
Esta vez bajaremos mucho más.
Esta vez bajaremos mucho más.
Cette fois-ci,
nous descendons encore plus bas.
Questa volta andremo molto più in profondità.
Desta vez, vamos mais 
para baixo ainda.