In a heartfelt account, Daiga Miyagi's younger sister, Yai, reflects on their childhood and the strong bond they shared growing up in modest conditions in Okinawa. She recalls her reluctance to stay home alone, noting how her brother, understanding her feelings, encouraged her to join him on outings with his friends. Though she often found herself on the sidelines, swinging alone at the park, she felt no loneliness as long as her brother was nearby.

Yai reminisces about the early days of their family, living in a small apartment where they learned to find happiness amid financial limitations. The support and love from her brother were constants in her life, illustrating the profound connection they shared. She reveals that even before she was born, her brother's voice was the only one that resonated with her, showing an innate bond that transcended their circumstances.

The story portrays not only the personal journey of the Miyagi siblings but also subtly addresses broader themes of family resilience and the unconventional nature of happiness. While society often equates happiness with material wealth, this narrative highlights that true happiness can arise from strong familial connections and support, suggesting that the emotional wealth found in relationships is just as valuable, if not more so, than financial stability.