Otsubone to leave her abusive home, and staying loyal to Locker when he made a mistake). Rio Suzuki as Maki Watanabe, (later Maki Kawashima), nicknamed "Donki" (ドンキ), A naïve, and somewhat spoiled, 9-year-old girl who was abandoned at the orphanage by her mother. Her nickname comes from the Japanese word Donki, (meaning blunt weapon), that her mother used in her assault towards her boyfriend. She rejects her nickname at first, as she does not want to live at the orphanage. However, she later accepts the name when she realizes her mother will not be back anytime soon. Hiyori Sakurada as Naomi Toba, nicknamed "Piami" (ピア美), an elegant, girly, and romantic 9-year-old girl. She is talented at the piano, hence her nickname Piami, (a combination of her given name Naomi and the word piano). Konomi Watanabe as Yuiko Tōjō, nicknamed "Bombi" (ボンビ), a bubbly, excitable, and childlike 9-year-old girl with a big imagination. Her Dream is to be adopted by Angelina Jolie and Brad Pitt, due to their several international adoptions. Her nickname comes from a combination of the words Bimbō, a Japanese word for poverty, and Disney's Bambi . Her parents died in a natural disaster, but their bodies were never found, hence, she secretly believes her real parents are poor and will come back to get her when they have enough money. Shohei Miura as Locker (ロッカー), A good-hearted, quiet, 21-year-old man who was the first ever child at the orphanage. He was never adopted, so he continued to work as a staff member and their chef. At first, he suffered from Selective mutism, but later found his voice. Despite his own trauma, he is one of the most kind-hearted person st the orphanage. He also seems closest to Post out of all the children. Suzuka Ohgo as Otsubone (オツボネ), an emotional, naïve, and somewhat desperate 17-year-old-girl who still has hope of being adopted, despite being the age of majority, and will be forced to move out of the orphanage. She suffers from heterochromia, caused by a piece of broken beer bottle thrown at her by her mother, and wears a patch over her right eye. Her previous nickname was Usa-Tan (a combination of the Japanese word Usagi, meaning rabbit, and the Japanese honorific -tan, which is used to sound cute). Her nickname comes from the Japanese slang word Otsubone, meaning an older woman who has been stuck in