Takuma has to look after himself while Mina is away at the factory receiving her upgrades. But the arrival of a small robot helper ends up changing the situation more than either of them anticipates.
and my waterproof rating 
drops all the way to 5.
‫وينخفض ​​تصنيف مقاومتي للماء إلى 5.
Dadurch sinkt meine
Wasserschutzklasse auf fünf.
Mi resistencia al agua
se reduce a categoría 5.
Mi resistencia al agua
se reduce a cinco.
Mon étanchéité chute à 5.
per cui il mio grado 
di impermeabilizzazione scende a 5.
então minha classificação de
impermeabilidade cai para 5.
из-за чего уровень водонепроницаемости
снижается до пятого.