After his father's remarriage, Kota found himself living with mixed emotions. His new stepmother, Nozomi, seemed incompatible to him—not just because of her youth, but also because she neglected household duties and had a reckless sense of money. Kota knew she secretly left the house whenever his father was away, yet he suppressed his suspicions to avoid ruining his father's happiness. However, Kota's inner turmoil would ultimately lead to the unraveling of the situation.