"I want to grow up quicker, so I can date Minato-san."

Akira Minato inherited his grandfather's coin laundry.
And so, the middle-aged former corporate drone, Akira, peacefully ran the well-loved coin laundry.
One day, a high-school student, Shintaro Katsuki, enters the coin laundry.
Despite the difference in age, they quickly became friends.
However, Shintaro suddenly finds out that Akira is gay…