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...
all I knew was that murky
white soup is tonkotsu,
كل ما عرفته أنّ ذلك الحساء
،الثقيل هو تونكوتسو
aber für mich ist die trübe,
weiße Suppe „Schweineknochen“
pensé que la blanca
y espesa era tonkotsu,
pensé que la blanca
y espesa era tonkotsu,
les soupes blanches épaisses,
c’est au porc, les transparentes au sel,
che il brodo bianco e torbido
è di ossa di maiale,
só sabia que caldo branco e
 meio turvo é de tonkotsu,
что белый густой бульон
варят на свиных костях,