Marmalade Boy
From March 2013 to September 2018, a sequel to "Marmalade Boy" titled was serialized in "Cocohana". While Miki and Yuu make appearances, the new series, set 13 years after the end of the earlier one, focuses on Rikka Matsuura and Saku Koishikawa, Yuu and Miki's respective sister and brother.