Ordinary high school student Usato is mistakenly suddenly summoned to another world along with his classmates and student council members Suzune and Kazuki.
The crystal ball turned green.
.تحولت الكرة البلورية إلى اللّون الأخضر
Die Kristallkugel wurde grün.
La bola se tornó verde.
La bola se tornó verde.
La boule de cristal
est devenue verte.
La sfera di cristallo è diventata verde.
A bola de cristal ficou verde.
Хрустальный шар позеленел.