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...
Broth? Sauce?
مرق؟ صلصة؟
Fischbouillon? Tare?
¿Caldo?
¿Caldo?
Dashi ? Tare ?
Dashi? Tare?
Caldo?
Бульоном?