"It's a pain to go up to the second floor to dry the laundry..." - A housewife who built a one-story house while raising her children was amazing at creating an "easy-to-clean house" | Life | Toyo Keizai Online
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Nao Otsuka built a one-story house even though she was in the child-rearing generation. A house that pursues rationality may be the ideal for busy modern people.