Noriko (典子), is one of the main character in Tsuyoshi Shikkari Shinasai Taisen Puzzle Dama.
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Noriko is from the family Ikawa, she is the sister of Tsuyoshi and Keiko, and her mother is Yoshiko. Noriko have a cooler temper than Keiko, but like her sister, she always give housework tasks to Tsuyoshi.