In Kyoto, soon after the war, Ichika strives to save her family's long established ryoten restaurant from financial crisis. In order to do so, she marries Yamaguchi Amane, who is 15 years younger, in a marriage of convenience.
Both are a slow paced slice of life taking place mostly in the kitchen.
Nagatan to Aoto: Ichika no Ryourijou has more romance, but in both of them, the focus is on character growth and not love.