Koizumi-san is a reserved and mysterious high school girl.
Her classmate Ohsawa Yuu is very interested in this new transfer student. 
One day on her way home, she happens to see Koizumi-san in a long line in front of a ramen shop, which leads to them eating ramen together, and yet...
By the way, that's your math textbook.
.بالمناسبة، هذا كتاب الرياضيات
Du hast das
Mathebuch in der Hand.
Por cierto, ese libro es de matemáticas.
Por cierto, ese libro es de matemáticas.
C’est votre manuel de maths
que vous tenez…
Comunque quello è il libro di matematica.
E esse livro é o de matemática.
У тебя на парте учебник математики.