One day, Somei invites Hayakawa to go to a concert together. Meeting him privately for the first time, Hayakawa feels a little hesitant to walk beside Somei, who is much older than him. As the concert begins, a song they both like comes on by chance, and the two make eye contact. Somei looks away, as if embarrassed, and this gesture makes Hayakawa's heart flutter. However, memories of a past relationship come back to Hayakawa, and he puts the brakes on his heart. Will his wavering feelings lead to a new step, or...?