Kahogo na Wakadanna-sama no Amayakashikon

Io Tsuruoka, a chef apprentice at a long-established inn in Asakusa, has been in love from an early age with Yukito, the young master and heir to the inn. One day, she is shocked to hear a rumor of marriage talks involving the young master, but unbelievably, he proposes to her...?

It's the start of the sweet newlywed life of the young master at a long-established inn and a pure girl apprenticing to be a chef.

(Source: Kodansha, translated)