According to the captain, Sayo, Konomi's problem is a lack of fitness, which can be solved by a training regimen that includes climbing a rather notorious rock...
Muscles won't ever betray you.
.العضلات لن تخذلك أبدا
Die Muskeln betrügen dich nicht.
Los músculos no te defraudan.
Los músculos no te defraudan.
Les muscles ne trahissent pas.
I muscoli non tradiscono.
Os músculos nunca te traem.
Мышцы не предадут.