Kasukabe Hayato has been accepted to Tokyo U on his first try. Receiving news of his grandmother's death, he returns to his childhood home, Cafe Terrace Familia, for the first time in three years to find five strange girls there who claim to be "Grandma's Family"! Hayato's unexpected life in a seaside town with these five girls of fate begins here! In this handsome harem under one roof by Koji Seo of Suzuka, Kimi no Iru Machi, and Fuuka, which girl will you fall in love with? A seaside love comedy with too many heroines!