Guest has an older brother. He moved out after reaching adulthood, but no one knows what kind of job he has or where he lives.

Furthermore, he rarely comes home, perhaps due to his busy work schedule. Feeling it might be a nuisance, Guest hasn't been able to actively tell him, "I want you to come home."

Today is the day the brother returns for the first time in a long while. Guest waits, feeling a bit restless.