Kyoudai GokkoKyoudai-gokko; play Brother & Sister; Playing Siblings; きょうだいごっこ; 手足游戏

Growing up, Takara Rio has always wanted siblings. So when her parents decide to move overseas without her and tells her she will be living with two people around her age, she's cautiously optimistic. But they turn out to be brothers who fight like cats and dogs. Is this what having siblings is like?