The beginning of summer. Yuka, who has just divorced Haruki after three years of marriage, goes on vacation to a seaside town with her best friend Shina and her boyfriend Dazai. Reunited with Dazai, who she was once in love with, after a long time, Yuka's feelings for him gradually begin to rekindle. Meanwhile, Shina is attracted to Tenma, a poet who lives in the seaside town. Unrequited feelings and a peaceful daily life. The vacation has only just begun.