frequently beats him on with a paper fan when he goes overboard. He has taken a certain interest in Yuuta's nieces, excluding Sora, whom he claims she is too old for him despite being only 14, and usually calls her "Oba-chan" (old lady). Sako actually proves himself to be a reliable friend. Others Yuuta's older sister, Miu's and Sora's stepmother, and Hina's mother. When their parents died, she decided to raise Yuuta by herself so that they would not be separated. She passed down the Twinkle, Twinkle, Little Star song to her family. She married Shingo while Yuuta was in high school. When Yuuta found out that her husband-to-be had been previously married and already had two kids, Miu and Sora, he became extremely frustrated. After cooling down, he realized that he was in no position to deny his sister's happiness. On the way back to apologize for his temper, he saw Sora and tended her scraped palm - the origin of her crush on him. When the flight that Yuri and Shingo were on goes missing, Yuuta chooses to take her kids into his custody to prevent them from being separated. Her spirit, alongside her husband appeared in the OVA, while secretly cheering for Sora and Yuuta. Yuri's husband. He hails from a wealthy family and is a genuinely kind man. He was previously married twice and each time had one child. Sora's mother died and Miu's mother divorced him. He and Yuri met at an otaku convention: she was cosplaying (a habit she hid from Yuuta) and he was a photographer. Shingo kept a collection of photographs of Yuri and the girls cosplaying. He appeared with Yuri in the OVA. Yuuta's next-door neighbor. She works as a voice actress and previously worked as a villain on Hina's favorite anime series. She plays with Hina and Miu during her spare time. Yuuta's rather inflexible landlady. She would have evicted Yuuta and the girls from their apartment, had it not been for the timely intervention of her mother, the real landlady. At 29-years-old, she is still single and seems to be jealous of young couples. Like many adults in the story, she develops a soft spot for Hina. She only appears in the anime adaption and the Takanashi no Hidamari manga; in the light novel Yuuta's landlord is an unnamed male with a minor role. Miu's friend and next-door neighbor