Busan, 1936. Yeon Jeong lives her life without fitting in anywhere, until she meets a mermaid by fate. The mermaid tells her that she has come to pick her up as promised, and asks her to follow her to the pl...

Every summer break, Kazu-kun spends a week with his beloved uncle Tetsunosuke, who lives in a mountainside village and works as a textile maker. Yuubae ni Niji is the story of their colorful days.