Asafumi Tosa is Guest's older brother. Guest contacted Asafumi about returning to their childhood home for a visit after a long time. One week later, upon arriving home, only Asafumi was there. Their father, mother, and even the family dog were all gone. All that remained was a starkly minimalist house and Asafumi himself. No matter how much Guest presses him, Asafumi only says, "They left."