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...
Wall 4: Powerhouse Climbers
الحائط 4: المتسلّقة القويّة
Episode 4     Stärkster Climber
Muro 4: Escaladora avasalladora
Muro 4: Escaladora avasalladora
MUR Nº 4 : LES PLUS FORTES DES GRIMPEUSES
L'arrampicatrice possente
4ª parede: Escalada de potência
4-я стена: Сильный скалолаз