Yuu tries to recreate the ramen of her childhood.
She can't even remember the name of the place, and with only the fact that it's "Delicious Ramen", she is a complete loss.
However, after Koizumi-san samples her ramen, they figure out the original source.
What exactly is the mysterious "Delicious Ramen"?
Yesterday's chuuka soba is 
derived from that genre,
كانت تشوكا صوبا البارحة 
،مشتقّة من ذلك النّوع
El chuuka soba de ayer
es derivado de ese género
El chuuka soba de ayer
es derivado de ese género
Les soba chinoises d’hier
en font partie.
O chuuka soba de ontem é derivado disso,
Вчерашняя тюка-соба
пошла как раз от него,