In a town where volcanic ash rains from the sky, Akio Suzu, a 32-year-old man, leads a stagnant life enjoying drinking, smoking, and finding solace in the company of cats rather than people. Nothing ever happens in his routine life, but he’s not willing to change anything or himself. That is until a couple, who are Akio’s regular customers, adds a new member to its household? Yutaka, their bubbly nephew from Tokyo.As Akio tries to remain antisocial, Yutaka disrupts his everyday life and dismantles the walls he has built around himself. Together, the two grown men clumsily start to weave a warm, bittersweet, and platonic story of love.