Shindou Yuu is an amateur model at the top of her class, and Hakozaki Kusue is a physically weak girl who misses school a lot. One moment, Yotsuya Yuusuke is thinking that the sight of these two together seems unusual... and the next, he finds himself in another world. Suddenly Hakozaki, a warrior who can't even swing a sword, and Yotsuya, whose only weapons are a hoe and a sickle, are a party with zero combat experience stuck with the task of defeating a powerful troll.
She's got some condition that 
makes her weak, apparently.
تعاني من هزل في بدنها وفقما يبدو
Anscheinend ist sie körperlich angeschlagen.
Tiene un cuerpo frágil.
Tiene un cuerpo frágil.
Paraît qu’elle a la santé fragile.
Elle est même dispensée de sport.
A quanto pare, ha una malattia che la rende debole.
Parece que ela tem saúde fraca.
Видимо, у неё слабое здоровье.