Adults' Picture Book New Edition manga volume 2 features story and art by Kei Itoi.

So this is the start of our life of having problems together… She's all moved in. New husband, new daughter—it's a brand-new beginning. Although Fusako decided this for herself, living with total strangers is not exactly a walk in the park. Between Souichirou's insistent demands that she lie to Kiki about the truth of her birth, his deep feelings for Kiki's late father, and Fusako's uncertainty about her role in Souichirou's life, Fusako is struggling to adapt to life in the Kudou household. Luckily for her, Kiki is more than willing to forge a secret alliance to make Souichiro happy…