Miyagawa Atsushi and his younger sister, Atsumi, continue to manage the daily chaos of their unusual lives. Despite his towering height and mischievous nature, Atsushi relies on the responsible, petite Atsumi to keep things in order. Their relationship remains a balance of comedic friction and genuine warmth as they face new challenges together. As their shared experiences grow, the stark contrast between their personalities and physical differences becomes even more apparent during their…
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