Shota Ohara, a human elementary school student, stumbles upon Q-Taro’s egg in a forest, sparking an unlikely friendship. He introduces the ghost to his home, navigating the chaos stemming from Q-Taro’s misinterpretations of human life while guiding his understanding of society. Academically average, Shota once ranked second from the bottom in his class, underscoring his struggles with schoolwork.

Their bond deepens from playful camaraderie to heartfelt connection. When Q-Taro’s family attempts to reclaim him for the Obake world, Shota’s anguish drives them to hide in a tube—a raw display of vulnerability that sways Q-Taro’s parents to allow their continued companionship.

A 12-year time skip in the New Q-Taro manga finale reveals Shota as an adult, his maturity clashing with Q-Taro’s eternally childlike demeanor due to Obakes’ prolonged aging. This disparity strains their relationship as Q-Taro recognizes Shota’s diminished reliance on him, prompting his irreversible departure to the Obake world. The arc traces Shota’s journey from childhood to adulthood and the evolving dynamic between the pair.

Shota’s family includes Shinichi, his older brother—a middle school student with modest academic achievements and a passion for music. Though Shinichi exists in Shota’s world, the boy’s focus remains fixed on Q-Taro, cementing his role as the ghost’s primary human tether. The narrative confines Shota’s background to these outlined elements.