With an endearing protagonist and luscious art, this seaside slice-of-life story offers tranquility in the chaos of the modern world. While spending quality time with Shio at the beach, Wakana considers her recent memory loss and odd daydream. Shio helps Wakana remember how she used to spend time with an elderly garment cleaner. Can Wakana finally piece together the puzzle of her past? The neighbourly garment cleaner's past weaves a thread toward the future when Shio and Wakana make a pledge.