Mine Gouichi

Hana's boyfriend Shoichiro suddenly leaves her, and now she is in a relationship with Akatsuki, Shoichiro's best friend. Hana keeps waiting for Shoichiro while feeling the sea breeze and the back of the man who left her.

Hitoe is 34 years old. Her husband is overseas on a business trip, and she wanders aimlessly around town every day, filling her idle time with alcohol. Masaru is 48 years old. A train conductor. He gave up on his dream of becoming a driver after failing the national exam three times. The two meet each other while they have families.